Security Startups

Company directory

12 companies. Sorted by name. No paid boost.

B

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

C

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

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

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

F

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

M

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

N

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

P

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

R

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

S

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

T

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

Directory · Security Startups