Security Startups

Company directory

14 companies. Sorted by name. No paid boost.

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

B

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

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

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

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

H

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

O

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

P

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

S

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

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

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

T

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

V

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

Directory · Security Startups