Security Startups

Company directory

173 companies. Sorted by name. No paid boost.

0–9

42Crunch

Dublin, Ireland

  • Founded 2016

OpenAPI-first API security that audits the contract, tests it, then wraps a micro-firewall around the live endpoint.

Released OAS 3.1 support for API Protection in the 42Crunch platform, February 2026

7AI

Boston, USA

  • Series A
  • $166M raised
  • Founded 2024

Swarming AI agents that take over the investigation work human SOCs cannot staff.

Raised $130M Series A led by Index Ventures, December 2025

A

Abnormal AI

San Francisco, United States

  • Series D
  • $546M raised
  • Founded 2018

API-native email and SaaS defense that baselines human behavior to catch BEC and account takeover.

Raised $250M Series D at a $5.1B valuation, August 2024

Abstract Security

United States

  • Founded 2023

Composable security operations platform that runs detections on data in motion and lets teams pick their own storage and SIEM back end.

Raised $25M in a round co-led by Cheyenne Ventures and AVP, July 2026

Action1

Houston, USA

  • Bootstrapped
  • Founded 2016

Cloud-native patch management that remediates endpoints without a VPN or on-prem console.

H1 2026 ARR from six-figure deals grew 275% year over year

AegisAI

United States

  • Series A
  • $49M raised
  • Founded 2025

Agentic email security for Microsoft 365 and Google Workspace that judges the intent behind a message instead of matching known scam patterns.

Raised a $36M Series A led by Battery Ventures, July 2026

Aembit

Silver Spring, United States

  • Series A
  • $45M raised
  • Founded 2021

Workload IAM that issues short-lived, secretless credentials for services, scripts, and AI agents.

Raised $25M Series A led by Acrew Capital, September 2024

Aevral

Listed by Better ISMS (same rules as everyone)

  • Seed
  • Founded 2026

Security review, handled. Your AI agents keep shipping; Aevral, a security agent, reviews their changes for security problems and suggests the fix, on pull requests and whole-repo scans, live and self-serve. Open-source models, processed in the US today; an EU-only option is announced. By ISMS Copilot.

Live and self-serve at aevral.com, 2026-09-07

Aikido Security

Ghent, Belgium

  • Series B
  • $84M raised
  • Founded 2022

One platform that scans code, cloud, and runtime, then triages and auto-fixes what is actually reachable.

Raised $60M Series B at a $1B valuation, January 2026

AIM Intelligence

Seoul, South Korea

  • Series A

Seoul-based AI red teaming and guardrail company testing language models, agents, and physical AI systems for exploitable behavior.

Closed a KRW 10 billion Series A led by Samsung Venture Investment, April 2026

  • Seed
  • $50M raised
  • Founded 2025

Context firewall for AI agent fleets: discovers agents, continuously vets the skills, plugins, and MCP servers they touch, and blocks what fails.

Emerged from stealth with $50M raised across two seed rounds led by Sequoia and Greenoaks, September 2026

AIUC

San Francisco, United States

  • Series A
  • $55M raised

Assurance and insurance company for AI agents: it audits agents against its AIUC-1 standard and writes insurance tied to the audit results.

Raised a $40M Series A led by Ribbit Capital, September 2026

Akeyless

Ramat Gan, Israel

  • Series B
  • $79M raised
  • Founded 2018

SaaS vault for secrets, keys, and certificates that never stores the master key in the customer's cloud.

Took a strategic investment from Deutsche Bank Ventures, October 2024

Alice

New York, United States

  • $280M raised
  • Founded 2018

AI safety and security company (formerly ActiveFence) that red teams models and runs guardrails for AI labs and enterprises.

Raised $140M led by Apax Digital Funds, August 2026

Anchore

Santa Barbara, USA

  • Series B
  • Founded 2016

Open-source Syft/Grype plus enterprise SBOM management for containers and the pipeline that builds them.

Published the 2025 Anchore supply-chain blog series, December 2025

Apiiro

New York, USA

  • Series B
  • $135M raised
  • Founded 2019

Code-to-runtime ASPM graph that ranks material application risk, not every scanner finding.

Joined Chainguard's Athena coalition and made AutoFix free for OSS maintainers, August 2026

Apono

Tel Aviv, Israel

  • Series B
  • $54.5M raised
  • Founded 2022

Just-in-time cloud access that kills standing privileges for humans, machines, and agents.

Raised $34M Series B led by USVP, November 2025

AppOmni

San Mateo, United States

  • Series C
  • $123M raised
  • Founded 2018

SaaS security posture for Salesforce, ServiceNow, Microsoft 365, and the agents now living inside them.

Reported 43% year-over-year revenue growth and five of the top 10 Fortune 500 as customers, February 2025

Aqua Security

Burlington, United States

  • Series E
  • $325M raised
  • Founded 2015

Code-to-runtime CNAPP that ranks CVEs by live workload behavior and can stop an exploit without waiting for a patch.

Raised $60M at a $1B-plus valuation, January 2024

Arctic Wolf

Eden Prairie, USA

  • Series F
  • $900M raised
  • Founded 2012

Concierge MDR on the Aurora platform, now with its own endpoint prevention.

Launched Aurora Endpoint Security and acquired Cylance from BlackBerry in 2025

ARMO

Tel Aviv, Israel

  • Series A
  • $35M raised
  • Founded 2019

Kubernetes-rooted CNAPP and CADR, built on CNCF Kubescape, that uses eBPF runtime to decide which CVEs and misconfigs matter.

Kubescape 4.0 released with runtime threat detection GA, March 2026

ArmorCode

Palo Alto, USA

  • Series B
  • $81M raised
  • Founded 2020

Scanner-agnostic ASPM that correlates hundreds of tools into the findings that actually matter.

Raised $16M strategic round, taking total funding to $81M, March 2026

Arnica

Alpharetta, USA

  • Seed
  • $7M raised
  • Founded 2021

Pipelineless SAST, SCA, secrets, and IaC that scans every push and talks to the developer in Slack.

Shipped PR secrets scanning and secrets-in-HEAD detection, June 2026

Aryon Security

Tel Aviv, Israel

  • Series A
  • $38M raised
  • Founded 2024

Cloud policy enforcement that blocks misconfigs and over-privilege at deploy time, before CSPM has anything to scan.

Raised $29M Series A, June 2026

AttackIQ

Los Altos, USA

  • Series C
  • Founded 2013

Security control validation platform built around MITRE ATT&CK and purple-team testing.

Named among 2026 CTEM and BAS alternatives in independent vendor comparisons

B

Backslash Security

Tel Aviv, Israel

  • Series A
  • $27M raised
  • Founded 2022

Reachability-aware AppSec now aimed at AI coding agents, IDEs, MCPs, and the packages they pull.

Raised $19M Series A led by KOMPAS VC, February 2026

Bedrock Data

Menlo Park, United States

  • Series A
  • $35M raised
  • Founded 2023

Metadata lake DSPM that classifies petabyte estates in place, then governs AI access in plain language.

Raised $25M Series A led by Greylock, November 2025

BigID

New York, United States

  • Series D
  • $308M raised
  • Founded 2016

Hybrid DSPM and data intelligence platform for discovery, privacy, and AI risk across cloud and on-prem.

First DSPM vendor to cross $100M in annual revenue, 2024

Black Kite

Boston, United States

  • Founded 2016

Third-party cyber risk intelligence: rates and monitors vendors from outside-in data, flags which ones a new breach or vulnerability touches, and estimates the financial exposure.

Released an MCP server that exposes its third-party cyber risk platform to AI agent workflows, February 2026

Boost Security

Montreal, Canada

  • Seed
  • $16M raised
  • Founded 2020

Pipeline and package gates that block supply-chain junk before AI-written code swallows it.

Raised $4M and acquired SecureIQx and Korbit.ai, May 2026

C

Censys

Ann Arbor, USA

  • Series D
  • $198M raised
  • Founded 2017

Internet-wide map of exposed infrastructure used for ASM, threat hunting, and exposure management.

Raised $40M Series D plus $30M debt led by Morgan Stanley Expansion Capital, March 2026

Chainguard

Kirkland, USA

  • Series D
  • $892M raised
  • Founded 2021

Zero-to-low CVE container images and language libraries rebuilt from verified source.

Closed $280M growth round from General Catalyst at a $3.5B valuation, October 2025

Cloudsmith

Belfast, United Kingdom

  • Series C
  • $124M raised
  • Founded 2016

Universal artifact control plane for what AI and humans actually put into production.

Raised $72M Series C led by TCV and Insight Partners, April 2026

Clover Security

New York, USA

  • Series A
  • $36M raised
  • Founded 2023

Design-led product security agents that review PRDs, architecture, and specs before code exists.

Emerged from stealth with $36M seed and Series A, November 2025

Clutch Security

Tel Aviv, Israel

  • Series A
  • $28.5M raised
  • Founded 2023

Zero Trust for non-human identities: discover the secret, then make stolen static credentials useless.

Raised $20M Series A led by SignalFire, January 2025

Conceal

Augusta, USA

  • Series B
  • $36M raised
  • Founded 2012

Browser-native SSE that gives zero-trust access without a VPN, VDI, or backhauled proxy.

Raised $26M Series B led by Two Bear Capital, October 2025

Concentric AI

San Mateo, United States

  • Series B
  • $67M raised
  • Founded 2018

Semantic DSPM that labels unstructured data by meaning, then remediates oversharing on-prem and in the cloud.

Raised $45M Series B led by Top Tier Capital and HarbourVest, October 2024

ConductorOne

San Francisco, United States

  • Series B
  • $111M raised
  • Founded 2020

AI-native identity platform that folds IGA, IAM, and PAM into one access control plane.

Raised $79M Series B led by Greycroft, October 2025

Conifers

Dallas, USA

  • Series A
  • $25M raised
  • Founded 2024

MSSP-first agentic SOC that wires intel, hunting, detections, investigation, and response into one loop.

Raised $25M Series A led by SYN Ventures, January 2025

Contrast Security

Los Altos, United States

  • Series E
  • $269M raised
  • Founded 2014

IAST, RASP, and ADR that instrument the running app so exploits are seen in the code path, not the packet.

Published the Software Under Siege 2025 report on application-layer attacks, August 2025

Corgea

San Francisco, USA

  • Seed
  • $2.6M raised
  • Founded 2023

AI SAST that hunts broken auth and business-logic bugs, then writes a patch developers can merge.

Raised $2.6M seed led by Shorooq, with Y Combinator participating, November 2024

Corma

Tel Aviv, Israel

  • Seed
  • $60M raised
  • Founded 2025

Defensive cybersecurity AI lab training its own foundation model to power agents that work inside security teams.

Raised a $60M seed round led by Sequoia Capital, August 2026

Corsha

Washington, United States

  • Series A
  • $30M raised
  • Founded 2017

Machine identity provider for operational technology, factories, and defense networks that still run API keys.

Raised $18M Series A-1 led by SineWave Ventures, April 2025

Cyberhaven

Palo Alto, United States

  • Series D
  • $250M raised
  • Founded 2016

Data detection and response that traces lineage as files move, transform, and hit AI tools.

Raised $100M Series D at a $1B valuation, April 2025

Cycode

New York, USA

  • Series B
  • $81M raised
  • Founded 2019

ASPM with its own SAST, SCA, and pipeline scanners, plus a graph for AI-written code.

Named a Leader in Gartner's first Magic Quadrant for Software Supply Chain Security, June 2026

CyCognito

Palo Alto, United States

  • Series C
  • $153M raised
  • Founded 2017

Seedless external attack-surface discovery that finds cloud, subsidiary, and third-party assets attackers can actually reach.

Named a Leader and Outperformer in the 2026 GigaOm Radar for Attack Surface Management

Cyera

New York, United States

  • Series G
  • $2.3B raised
  • Founded 2021

AI-native DSPM that classifies sensitive data, then governs what people and agents can do with it.

Raised $600M Series G at a $12B valuation, June 2026

Cymphony

New York, USA

  • Series A
  • $30M raised
  • Founded 2024

One workforce graph over employees, AI agents, and other nonhuman identities, and what each can reach.

Emerged with a $25M Series A co-led by Sequoia and SMBC Fin Atlas Beyond Fund at a valuation above $100M, September 2026

Cymulate

Tel Aviv, Israel

  • Series D
  • $141M raised
  • Founded 2016

BAS-born exposure validation that now pushes findings into automated control updates.

Shipped Vero AI for agentic cyber defense engineering on the live platform, 2026

Cynet

Boston, USA

  • Series C
  • $79M raised
  • Founded 2014

All-in-one XDR agent for teams that cannot staff a SOC or buy seven point products.

Named Leader and Outperformer in the 2026 GigaOm Radar for XDR

D

DataBahn

United States

  • Series B
  • $59M raised
  • Founded 2024

Security data pipeline that collects, trims, enriches, and routes telemetry before it reaches the SIEM or data lake.

Raised a $40M Series B led by Insight Partners, July 2026

Defakto

Palo Alto, United States

  • Series B
  • $50M raised
  • Founded 2022

SPIFFE-based non-human IAM that replaces static secrets with short-lived workload identities.

Raised $30.75M Series B led by XYZ Ventures, October 2025

Descope

Los Altos, United States

  • Seed
  • $88M raised
  • Founded 2022

Customer identity workflows that let product teams ship login, MFA, and agent auth without an IAM rebuild.

Closed $35M seed extension, $88M total, September 2025

Detectify

Stockholm, Sweden

  • Series B
  • Founded 2013

Hacker-powered surface monitoring for domains, apps, and APIs, now with an MCP server for AI workflows.

Launched a Detectify MCP server for AI security workflows, 2026

DoControl

New York, United States

  • Series B
  • $45M raised
  • Founded 2020

SaaS data security that watches sharing in Google Workspace, Slack, and Box, then revokes it automatically.

Launched Dot, an AI SaaS data security assistant, June 2025

Doppler

San Francisco, United States

  • Series A
  • $29M raised
  • Founded 2018

Developer-first secrets platform that syncs env vars, rotates them, and logs who changed what.

Launched Change Requests for approved secret edits, October 2024

Dropzone AI

Seattle, USA

  • Series B
  • $57M raised
  • Founded 2023

Software-only AI SOC analyst that investigates alerts without a managed service attached.

Raised $37M Series B led by Theory Ventures, July 2025

E

EasyDMARC

Los Angeles, United States

  • Series A
  • $22.3M raised
  • Founded 2017

Self-serve DMARC, SPF, and DKIM platform for teams that need enforcement without a mail consultant.

Raised $20M Series A led by Radian Capital, September 2024

Empirical Security

Chicago, United States

  • Series A
  • $37M raised

Exposure management that predicts which vulnerabilities will be exploited, using a global model plus one trained on each customer's environment.

Raised a $25M Series A led by Brightmind Partners, July 2026

Endor Labs

Palo Alto, USA

  • Series B
  • $163M raised
  • Founded 2021

Reachability-first AppSec: SAST and SCA that only page you when the vulnerable function is actually called.

Raised $93M Series B led by DFJ Growth, April 2025

Escape

Paris, France

  • Series A
  • $22M+ raised
  • Founded 2020

AI pentesting for APIs and web apps that proves exploitability, including IDOR and business logic, not just crawler noise.

Raised $18M to expand agentic pentesting for APIs and business logic, March 2026

Exaforce

San Jose, USA

  • Series B
  • $200M raised
  • Founded 2023

Real-time knowledge graph plus Exabot agents that investigate and stop attacks as they happen.

Raised $125M Series B at a $725M valuation, May 2026

Exein

Rome, Italy

  • Founded 2018

Runtime security built into the firmware of connected devices, robots, and other physical AI, plus build-time firmware analysis mapped to the EU CRA.

Raised $270M at a $1.7B valuation in a round led by Headline, September 2026

Expel

Herndon, USA

  • Series E
  • $289M raised
  • Founded 2016

Vendor-agnostic MDR that works on the SIEM and EDR you already bought.

Launched MDR coverage for the full AI attack surface, August 2026

F

Finite State

Columbus, USA

  • Series B
  • Founded 2017

Product and firmware SBOM platform for the devices you buy and the binaries you did not compile.

Won Cybersecurity Stars award for firmware security leadership, June 2026

Fleet

San Francisco, USA

  • Series B
  • $52M raised
  • Founded 2020

Open-source osquery control plane for Mac, Windows, Linux, and phones, cloud or self-hosted.

Raised $27M Series B led by Ten Eleven Ventures, June 2025

Fortanix

Santa Clara, United States

  • Series C
  • $122M raised
  • Founded 2016

Confidential computing and key management so data stays encrypted while AI and apps use it.

Joined Cisco Secure AI Factory with NVIDIA for Confidential AI inference, June 2026

G

GitGuardian

Paris, France

  • Series C
  • $108M raised
  • Founded 2017

Secrets detection plus NHI lifecycle, from leaked keys in git to the agents still using them.

Raised $50M Series C led by Insight Partners, February 2026

Glow

Tel Aviv, Israel

  • Series B
  • $180M raised
  • Founded 2025

AI agents that inventory everything running on employee devices, judge it against company policy, and remove or block what fails.

Emerged from stealth with $180M across seed, Series A, and a Series B led by Sequoia, Cyberstarts, Greenoaks, and Redpoint, July 2026

Gray Swan

Pittsburgh, USA

  • Series A
  • $40M raised
  • Founded 2024

Frontier-lab red teaming (Shade) and runtime defense (Cygnal) trained on unpublished attacks.

Raised $40M Series A co-led by Wing and Madrona, May 2026

Guardio

Tel Aviv, Israel

  • Series B
  • $127M raised
  • Founded 2018

Consumer browser protection that treats everyday users like they deserve an enterprise SOC.

Raised $80M Series B led by ION Crossover Partners, November 2025

H

Hadrian

Amsterdam, Netherlands

  • Seed
  • $14M raised
  • Founded 2021

Outside-in autonomous hacker that discovers, exploits, and validates external exposure continuously.

Shipped Sense, Plan, Attack AI agents to operationalize CTEM, November 2025

HarfangLab

Paris, France

  • Series A
  • $33M raised
  • Founded 2018

ANSSI-certified French EDR for buyers who cannot put a US cloud agent on sensitive endpoints.

Added Attack Surface Management to its endpoint platform, September 2025

HiddenLayer

Austin, USA

  • Series B
  • $156M raised
  • Founded 2022

Model scanner, attack simulation, and runtime firewall for agentic, generative, and predictive AI.

Raised a $100M Series B led by Delta-v Capital, September 2026

Horizon3.ai

San Francisco, USA

  • Series E
  • $429M raised
  • Founded 2019

NodeZero autonomous pentest that exploits live networks the way an attacker would, continuously.

Raised $250M Series E at a $2B-plus valuation, August 2026

Huntress

Columbia, USA

  • Series D
  • $300M raised
  • Founded 2015

Managed EDR, identity, and SIEM for businesses that do not run a 24/7 SOC.

Surpassed $250M ARR and 270,000 businesses protected, July 2026

Hush Security

Tel Aviv, Israel

  • Series A
  • $41M raised
  • Founded 2024

Identity and access for AI agents: discovers them, ties each to a human owner, and swaps standing credentials for just-in-time access per action.

Raised a $30M Series A with Akamai as strategic investor, alongside Battery Ventures and YL Ventures, July 2026

I

Infisical

San Francisco, United States

  • Series A
  • $19M raised
  • Founded 2022

Open-source secrets manager you can self-host or run as SaaS, now adding agent-safe credential proxying.

Raised $16M Series A led by Elad Gil, June 2025

Intezer

New York, USA

  • Series C
  • $60M raised
  • Founded 2016

Forensic-grade AI SOC that investigates 100% of alerts, including the low-severity ones MDR skips.

Expanded AI SOC platform for teams outgrowing MDR, March 2026

IONIX

Tel Aviv, Israel

  • Series A
  • $50.3M raised
  • Founded 2016

External attack-surface platform that discovers cloud, subsidiary, and supply-chain assets, then validates which exposures are actually exploitable.

Added $15M to Series A, bringing total funding to $50.3M, February 2024

IRONSCALES

Atlanta, United States

  • Series C
  • $80M raised
  • Founded 2013

AI email security that mixes automated remediation with a network of admin-reported phishing.

Launched Winter 2026 agentic release with Red Teaming, Phishing SOC, and Simulation agents, March 2026

Island

Dallas, United States

  • Series E
  • $730M raised
  • Founded 2020

Enterprise browser that embeds DLP, ZTNA, and last-mile control into Chromium instead of another VDI farm.

Raised $250M Series E at a $4.8B valuation, March 2025

J

JumpCloud

Louisville, United States

  • Series F
  • $400M+ raised
  • Founded 2012

Cloud directory that binds workforce identity, devices, and access without living on Active Directory.

Acquired Breez to add identity threat detection, October 2025

K

Keep Aware

Austin, USA

  • Seed
  • $2.4M raised
  • Founded 2022

Browser detection and response that watches behavior inside existing Chrome and Edge sessions.

Published The State of Browser Security Report 2026 from production telemetry

Knostic

Tel Aviv, Israel

  • Seed
  • $11M raised
  • Founded 2023

Need-to-know access control so Copilots, coding agents, and MCP tools stop oversharing.

Raised $11M to ship need-to-know controls for enterprise AI, March 2025

Kodem

Tel Aviv, Israel

  • Series A
  • $25M raised
  • Founded 2021

Runtime-backed AppSec that proves a CVE is loaded in memory before it hits the backlog.

Published Rapyd case study showing runtime-led AppSec without extra headcount, July 2025

L

Lasso Security

Tel Aviv, Israel

  • Seed
  • $6M raised
  • Founded 2023

Discovery, posture, automated red team, and gateway runtime for models and agents.

Published Securing Agentic AI: The Intent Security Framework, March 2026

Legit Security

Tel Aviv, Israel

  • Series B
  • $70M raised
  • Founded 2020

AI-native ASPM that discovers the software factory, then VibeGuard blocks bad AI code in the IDE.

Shipped VibeGuard to secure AI-generated code at the developer endpoint, 2026

Levo.ai

San Francisco, United States

  • Founded 2021

Runtime API and AI security with eBPF visibility, agentless discovery, and inline protection that stays off the data path for privacy.

Shipped Launch Week 2026 with AI Firewall, AI Gateway, and MCP discovery and testing, February 2026

Lineaje

Santa Clara, USA

  • Series A
  • $27M raised
  • Founded 2021

AI-driven lineage of every component, including the ones hiding in firmware and public-sector stacks.

Raised $20M Series A co-led by Prosperity7, Neotribe, and Hitachi, July 2024

Lumos

San Francisco, United States

  • Series B
  • $65M raised
  • Founded 2020

Autonomous IGA that reviews, provisions, and rightsizes access for people, NHIs, and AI agents.

Launched Identity Agent Force to govern human, NHI, and AI access, June 2026

M

Manifest

Washington, USA

  • Series A
  • $23M raised
  • Founded 2022

SBOM and AIBOM intelligence so you can actually use the bills of materials you generate.

Raised $15M Series A led by Ensemble VC, April 2025

Manifold

San Diego, United States

  • Seed
  • $8M raised
  • Founded 2025

Detection and response for AI agents on employee endpoints: maps what each agent touches, baselines its behavior, and stops the ones that go rogue.

Raised an $8M seed round led by Costanoa Ventures, March 2026

Mate Security

Tel Aviv, Israel

  • Series A
  • $50.5M raised
  • Founded 2025

AI SOC that builds a per-company context graph first, then triages, investigates, and responds to alerts with a human approving actions.

Raised a $35M Series A led by Canaan Partners, July 2026

Material Security

San Francisco, United States

  • Series C
  • $100M+ raised
  • Founded 2017

Workspace security for Google and Microsoft 365 that assumes the mailbox will get owned and limits the blast.

Published original analysis of the May 2026 Composio Gmail OAuth token breach, June 2026

MIND

Seattle, United States

  • Series A
  • $40M+ raised
  • Founded 2023

AI-native DLP and insider risk that classifies, then blocks exfil at the endpoint without a policy farm.

Raised $30M Series A seven months after stealth, June 2025

Mindgard

London, United Kingdom

  • Series A
  • $42M raised
  • Founded 2022

Attacker-style recon and automated red team for models, agents, IDEs, and the systems around them.

Raised $30M Series A led by Album VC, August 2026

Mitiga

New York, United States

  • Series B
  • $82M raised
  • Founded 2019

Cloud, SaaS, identity, and AI detection and response with a forensic lake built for attacks that never touch an endpoint agent.

Raised $30M Series B led by SYN Ventures, January 2025

Modulate

Boston, United States

  • Founded 2017

Deepfake voice and voice fraud detection for live calls, analyzing the audio itself to flag cloned voices, vishing, and caller impersonation.

Raised $25M led by Future Ventures, September 2026

N

Neo

Boston, United States

  • Series A
  • $100M raised

Endpoint sensor that inventories AI agents, MCP servers, and extensions on employee machines and enforces allow, block, or approve policies on their actions.

Emerged from stealth with $100M, including a $75M Series A led by Andreessen Horowitz and Bessemer Venture Partners, July 2026

NetRise

Austin, USA

  • Series A
  • $25M raised
  • Founded 2020

Firmware and binary SBOM that unpacks what vendors actually shipped, not what the datasheet claimed.

Raised $10M Series A, taking total funding to about $25M, April 2025

Nightfall AI

San Francisco, United States

  • Series B
  • $60M raised
  • Founded 2018

AI-native DLP for SaaS, endpoints, browsers, and GenAI prompts that learns from investigations.

Launched Nyx, an autonomous DLP copilot, July 2025

Noma Security

New York, USA

  • Series B
  • $132M raised
  • Founded 2023

AI-SPM, agent access control, red team, and AI-DR in one control plane for homegrown and SaaS agents.

Raised $100M Series B led by Evolution Equity Partners, July 2025

O

Oak

Tel Aviv, Israel

  • Seed
  • $60M raised
  • Founded 2025

One identity platform for human, machine, and AI agent identities that compares granted access with real use and drives remediation continuously.

Emerged from stealth with a $60M seed round co-led by Accel, Greylock, and CRV, July 2026

Obsidian Security

Palo Alto, United States

  • Series D
  • $204M raised
  • Founded 2017

SaaS identity and agent governance inside the third-party apps where work actually happens.

Raised $85M Series D at $1.1B valuation, August 2026

Oligo Security

Tel Aviv, Israel

  • Series B
  • $140M raised
  • Founded 2022

Application detection and response that watches live code execution and blocks exploits as they run.

Raised $60M, crossing $140M in total funding, August 2026

Onyx Security

Tel Aviv, Israel

  • Series B
  • $153M raised
  • Founded 2024

Control plane for enterprise AI agents: finds sanctioned and shadow agents, watches what they try to do, and blocks harmful actions before they run.

Raised a $113M Series B led by Bessemer Venture Partners, July 2026

Opal Security

New York, United States

  • Series B
  • $59M raised
  • Founded 2020

Policy-as-code access control plane for employees, service accounts, and AI agents.

Raised $23M and hired a new product bench, June 2026

Orca Security

Portland, United States

  • Series C
  • $640M raised
  • Founded 2019

Agentless CNAPP that SideScans cloud disks and APIs for the full estate without installing a workload agent.

Named a Strong Performer in The Forrester Wave: Cloud Native Application Protection Solutions, Q1 2026

OX Security

New York, USA

  • Series B
  • $94M raised
  • Founded 2021

Prompt-to-runtime AppSec that tries to show only the 5 percent of findings that can actually breach you.

Raised $60M Series B led by DTCP, taking total funding to $94M, May 2025

P

P0 Security

San Francisco, United States

  • Series A
  • $20M raised
  • Founded 2022

Cloud IGA and PAM that answers who or what can touch production, then enforces it at runtime.

Closed $15M Series A led by SYN Ventures, September 2024

Panorays

New York, United States

  • Founded 2016

Third-party cyber risk platform that combines external attack surface scans with supplier questionnaires, now with a module that prices supplier risk in dollars.

Launched Cyber Risk Quantification to put a dollar value on supplier cyber risk, August 2026

Pentera

Burlington, USA

  • Series D
  • $250M raised
  • Founded 2015

Automated security validation that actually exploits attack paths inside the customer's network.

Raised $60M Series D led by Evolution Equity Partners, March 2025

Picus Security

San Francisco, USA

  • Series C
  • Founded 2013

Breach-and-attack simulation plus autonomous pentest that scores whether controls actually stop the attack.

Raised $45M Series C to lead adversarial exposure validation, September 2024

Pillar Security

Miami, USA

  • Seed
  • $9M raised
  • Founded 2023

Inventory, agentic red team, and self-improving runtime guardrails for the agent lifecycle.

Named a 2026 Gartner Cool Vendor in AI Software Security

Pixee

Baltimore, USA

  • Seed
  • $15M raised
  • Founded 2022

Agentic AppSec that triages scanner noise and opens mergeable fix PRs in your house style.

Raised $15M seed led by Decibel and Wing VC, May 2025

Privacera

Newark, United States

  • Series B
  • $63.5M raised
  • Founded 2016

Fine-grained data access and AI governance from the team that built Apache Ranger.

Shipped major PAIG updates aligned to the NIST AI RMF, February 2025

Prophet Security

Menlo Park, USA

  • Series A
  • $41M raised
  • Founded 2023

Agentic SOC platform covering investigation, hunting, and detection engineering in one mesh.

Raised $30M Series A led by Accel, July 2025

Push Security

Boston, United States

  • Series B
  • $49M raised
  • Founded 2019

Browser-native ITDR that stops phishing, token theft, and account takeover where the session lives.

Raised $30M Series B led by Redpoint Ventures, April 2025

Q

Qevlar AI

Paris, France

  • Series A
  • $45M raised
  • Founded 2023

European agentic SOC that turns every alert investigation into posture insight.

Raised $30M co-led by Partech and Forgepoint Capital International, March 2026

R

RAD Security

San Francisco, United States

  • Series A
  • $20M raised
  • Founded 2021

Behavioral runtime CDR for Kubernetes and AI workloads, fingerprinting what a cluster should do so zero-days show up as drift.

Raised $14M Series A, February 2025

Reco

New York, United States

  • Series B
  • $85M raised
  • Founded 2020

SaaS and agent security that maps every app, identity, and AI connector, then remediates the risky ones.

Raised $30M Series B, total funding $85M, February 2026

Red Sift

London, United Kingdom

  • Series B
  • $70M raised
  • Founded 2015

Email authentication and brand protection that gets domains to DMARC enforcement without a DNS circus.

Won a 2025 Cybersecurity Excellence Award for OnDMARC, March 2025

Rein Security

New York, United States

  • Series A
  • $35M raised
  • Founded 2024

Runtime security for the AI agents enterprises build themselves, using a sidecar that records and polices agent actions inside the customer's own cloud.

Raised a $25M Series A co-led by Glilot Capital and Sienna Venture Capital, October 2026

Relyance AI

San Francisco, United States

  • Series B
  • $50M+ raised
  • Founded 2020

Data-flow DSPM that shows how customer data actually moves through products, vendors, and AI features.

Raised $32.1M Series B led by Thomvest Ventures, October 2024

Risk Ledger

London, United Kingdom

  • Series B
  • Founded 2018

Supplier security as a shared network: each supplier keeps one security profile that every connected customer can see, instead of answering questionnaires one by one.

Raised a GBP 24M Series B led by Axiom Equity, July 2026

Runlayer

New York, USA

  • Seed
  • $11M raised
  • Founded 2025

MCP gateway plus identity, observability, and threat detection for enterprise agents.

Emerged from stealth with $11M seed from Khosla (Keith Rabois) and Felicis, November 2025

S

SAFE

Palo Alto, USA

  • Series C
  • $170M raised
  • Founded 2012

Cyber risk quantification platform that added an agentic CTEM loop on top of CRQ and TPRM.

Raised $70M Series C and launched a fully autonomous CTEM offering, July 2025

Salt Security

Palo Alto, United States

  • Series D
  • $281M raised
  • Founded 2016

Runtime API security that discovers shadow and zombie APIs, then spots business-logic abuse in live traffic.

Published a year of monthly API and AI security releases, December 2025

Seal Security

Tel Aviv, Israel

  • Series A
  • $20M raised
  • Founded 2022

Backports security patches onto the exact open-source versions you already run, including EOL.

Raised $13M Series A led by Vertex Israel, July 2025

Semgrep

San Francisco, USA

  • Series D
  • $204M raised
  • Founded 2017

Rules-plus-AI SAST, SCA, and secrets that developers run in seconds and AppSec can actually tune.

Raised $100M Series D led by Menlo Ventures, February 2025

Semperis

Hoboken, United States

  • Growth
  • $325M raised
  • Founded 2013

Identity threat detection and forest recovery for Active Directory, Entra ID, and Okta.

Secured $125M growth financing at a $1B+ valuation, June 2024

Sentra

New York, United States

  • Series B
  • $100M+ raised
  • Founded 2021

Cloud-native DSPM that discovers, classifies, and readies enterprise data for AI without agents.

Closed $50M Series B, bringing total funding over $100M, April 2025

Silverfort

Plano, United States

  • Series D
  • $222M raised
  • Founded 2016

Runtime identity protection that puts MFA and least privilege on systems IAM vendors leave naked.

Acquired Fabrix Security for autonomous runtime identity security, April 2026

Simbian

Mountain View, USA

  • Seed
  • $10.5M raised
  • Founded 2023

Self-improving AI SOC that unifies defense, hunting, and offense on one agent family.

Named to the CB Insights AI 100, May 2026, after 15x customer growth in 2025

SixMap

Columbia, USA

  • Series A
  • $24M raised
  • Founded 2020

Internet-scale IPv4/IPv6 discovery that maps what an attacker can actually see of you.

Launched new product capabilities for AI-driven attack-surface change, December 2025

Skyhawk Security

Tel Aviv, Israel

  • Series A
  • $35M raised
  • Founded 2022

AI purple team that replays CNAPP and SIEM findings against a digital twin to prove which cloud CVEs are actually weaponizable.

Named a CRN 2025 Stellar Startup for the third consecutive year, November 2025

Smallstep

San Francisco, United States

  • Series A
  • $26M raised
  • Founded 2016

Private CA and device identity so internal TLS, SSH, and laptops get short-lived certificates instead of passwords.

Published hardware-bound device identity essay, May 2026

Snyk

Boston, USA

  • Series G
  • Founded 2015

Developer-first SAST, SCA, container, and IaC platform now wrapping AI agents and models too.

Launched Evo Agentic Development Security to govern coding agents, June 2026

Socket

San Francisco, USA

  • Series C
  • $125M raised
  • Founded 2022

Behavioral SCA that blocks malicious packages at install time, before a CVE exists.

Raised $60M Series C at a $1B valuation led by Thrive Capital, May 2026

Sonrai Security

New York, United States

  • Series C
  • $89M raised
  • Founded 2017

Cloud permissions firewall that enforces least privilege on humans, machines, and AI identities using native AWS, Azure, and GCP controls.

Reported 4x ARR growth as Cloud Permissions Firewall adoption surged, January 2026

StackHawk

Denver, United States

  • Series B
  • $47.3M raised
  • Founded 2019

Developer-first API DAST that runs in CI so AI-generated endpoints get tested before they ship.

Raised $12M strategic round from Sapphire and Costanoa, total $47.3M, May 2025

Straiker

Mountain View, USA

  • Series A
  • $85M raised
  • Founded 2025

Discover, adversarially test, and kill-switch AI agents and MCP connections in production.

Raised $64M Series A, taking total funding to $85M, June 2026

Stream Security

Tel Aviv, Israel

  • Series B
  • $55M raised
  • Founded 2020

Cloud detection and response on a live CloudTwin of every workload, identity, and network path.

Raised $30M Series B, October 2024

Sublime Security

Washington, United States

  • Series C
  • $244M raised
  • Founded 2019

Agentic email security with open detection rules and AI that writes new coverage in hours.

Raised $150M Series C led by Georgian, October 2025

Sweet Security

Tel Aviv, Israel

  • Series B
  • $120M raised
  • Founded 2023

Runtime CNAPP that watches cloud and AI agents as they act, then turns the finding into a guardrail.

Raised $75M Series B, November 2025

Sysdig

San Francisco, United States

  • Series G
  • $744M raised
  • Founded 2013

Runtime CNAPP built on kernel-level system calls, Falco detections, and AI agents that act inside the tools you already run.

Named a Leader in The Forrester Wave: Cloud Native Application Protection Solutions, Q1 2026

T

Tamnoon

Sammamish, United States

  • Series A
  • $17M raised
  • Founded 2022

Human-plus-AI cloud remediation that closes CNAPP findings without breaking the workload that owns them.

Raised $12M Series A, September 2024

Teleport

Oakland, United States

  • Series C
  • $169M raised
  • Founded 2015

Infrastructure identity for SSH, Kubernetes, databases, and MCP servers without standing secrets.

Launched Beams trusted runtimes for AI agents, March 2026

Teleskope

New York, United States

  • Series A
  • $32.2M raised
  • Founded 2022

Agentic data security that classifies with business context and remediates without a ticket queue.

Raised $25M Series A led by M13, total funding $32.2M, November 2025

TENEX.AI

Sarasota, USA

  • Series B
  • $277M raised
  • Founded 2024

AI-native MDR that triages every alert in under a minute, with humans on the loop.

Raised $250M Series B led by Crosspoint, March 2026

Terra Security

Tel Aviv, Israel

  • Seed
  • $8M raised
  • Founded 2024

Agentic pentest platform with a human in the loop across web, API, network, and AI surfaces.

Raised $8M (Q2 2025) to scale agentic continuous pentesting

ThreatLocker

Orlando, USA

  • Series F
  • $480M raised
  • Founded 2017

Default-deny allowlisting that stops unapproved software and AI agents from running at all.

Raised $190M Series F led by Elephant, July 2026

Tigera

San Francisco, United States

  • Series B
  • $65M raised
  • Founded 2016

Calico-powered Kubernetes network security and microsegmentation, plus Lynx for governing AI agent calls on the cluster.

Shipped the Winter 2026 Calico Cloud release with an AI assistant and multi-cluster traffic observability, March 2026

Tines

Dublin, Ireland

  • Series C
  • $271M raised
  • Founded 2018

Workflow automation that security teams actually own, now with agentic AI on top.

Raised $125M Series C at a $1.13B valuation, February 2025

Token Security

Tel Aviv, Israel

  • Series A
  • $27M raised
  • Founded 2023

Machine-first identity security that finds every NHI, names an owner, and cuts leftover privilege.

Named to Rising in Cyber 2026 after a $20M Series A, May 2026

Torq

Tel Aviv, Israel

  • Series D
  • $332M raised
  • Founded 2020

Hyperautomation platform turning SOAR playbooks into an agentic SOC.

Raised $140M Series D at a $1.2B valuation, January 2026

Truffle Security

San Francisco, United States

  • Series B
  • $40M+ raised
  • Founded 2021

Verified secret scanning that proves a leaked key still works, then helps you kill it.

Raised $25M Series B led by Intel Capital and a16z, November 2025

U

Unosecur

Berlin, Germany

  • Seed
  • $5M raised
  • Founded 2021

Agentless identity fabric for human, machine, and AI identities across hybrid cloud and on-prem.

Raised $5M seed led by VentureFriends and DFF Ventures, April 2025

UpGuard

Hobart, Australia

  • Series C
  • Founded 2012

Cyber risk platform that started in vendor risk and now covers a company's own attack surface and workforce shadow AI use from one console.

Raised a $75M Series C led by Springcoast Partners, February 2026

Upwind

San Francisco, United States

  • Series B
  • $430M raised
  • Founded 2022

Runtime-first CNAPP that ranks cloud risk from what is actually running, not from a static CVE dump.

Raised $250M Series B at a $1.5B valuation, January 2026

V

Valarian

London, United Kingdom

  • Series A
  • $70M raised
  • Founded 2020

Control architecture that runs sensitive AI and high-consequence workloads in customer-controlled, compartmentalised environments, including on hyperscaler clouds.

Raised a $50M Series A led by New Enterprise Associates, July 2026

Veza

Los Gatos, United States

  • Series D
  • $235M raised
  • Founded 2020

Access graph that shows what every identity can actually do, not just which group it sits in.

Raised $108M Series D at $808M valuation, April 2025

Vicarius

New York, USA

  • Series B
  • $60M raised
  • Founded 2016

Vulnerability remediation that actually patches, not another scanner that files tickets.

Named in Forrester's Q1 2026 Proactive Security Platforms Landscape

Vijil

Menlo Park, USA

  • Series A
  • $23M raised
  • Founded 2024

Continuous trust tests so enterprise agents stay reliable after they leave the lab.

Raised $17M Series A led by BrightMind Partners, November 2025

W

Wallarm

San Francisco, United States

  • Series C
  • $75M raised
  • Founded 2013

Inline API and agent security that blocks abuse in real time instead of paging after the request lands.

Raised $55M Series C led by Toba Capital, July 2025

WitnessAI

Mountain View, USA

  • Series B
  • $86M raised
  • Founded 2023

Observe, control, and protect employees, models, apps, and agents from one AI security plane.

Raised $58M led by Sound Ventures, January 2026

WorkOS

San Francisco, United States

  • Series C
  • Founded 2019

Enterprise identity APIs so product companies can ship SSO, SCIM, and audit without becoming an IAM vendor.

Raised $100M Series C at $2B valuation, March 2026

X

XM Cyber

Tel Aviv, Israel

  • Series B
  • $49M raised
  • Founded 2016

Hybrid attack-path graph that shows how an identity, cloud, or on-prem foothold becomes a breach.

Named a Challenger in the first Gartner Magic Quadrant for Exposure Assessment Platforms, 2025

Xygeni

Pamplona, Spain

  • Seed
  • $4M raised
  • Founded 2021

SCA plus malware and pipeline security for teams whose code is increasingly written by agents.

Won Global Infosec awards for ASPM and GenAI application security, 2026

Z

Zafran

New York, USA

  • Series C
  • $130M raised
  • Founded 2022

CTEM that proves which CVEs are exploitable, then mitigates with the controls you already own.

Raised $60M Series C led by Menlo Ventures, December 2025

Zenity

New York, USA

  • Series C
  • $185M raised
  • Founded 2021

Agent security that watches the decision, not just the prompt, across SaaS, cloud, and endpoint.

Raised $125M Series C led by Norwest, August 2026

ZeroPath

San Francisco, USA

  • Seed
  • Founded 2024

AI-native SAST for business logic, auth bypasses, and chained exploit paths, with generated patches.

Named an RSAC 2026 Innovation Sandbox Top 10 finalist

Directory · Security Startups