Cotool
Hiring
What they do:
Security operations optimized for agents.
Quick facts:
HQ: San Francisco, CA, United States
Cybersecurity Startups Hiring Now
This list has 57 startups and was last updated on Oct 15, 2026. Biggest hubs: San Francisco (34), New York (9), and Paris (3). Largest teams: Vanta, TRM Labs, and Cyble.
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Indemni
Hiring
What they do:
Cargo Theft and Fraud Prevention Platform
Quick facts:
HQ: San Francisco, CA, United States
Unbound
Hiring
What they do:
Use AI tools without fear of data leakage
Quick facts:
HQ: San Francisco, CA, United States
TrueBiz
Hiring
What they do:
Instant Background Checks for Businesses
Quick facts:
HQ: Miami, FL, United States
Corgea
Hiring
What they do:
Corgea finds, and fixes insecure code and packages autonomously.
Quick facts:
HQ: San Francisco, CA, United States
MindFort
Hiring
What they do:
Autonomous Security Agents
Quick facts:
HQ: Los Angeles, CA, United States
PropelAuth
Hiring
What they do:
Team-based authentication for B2B SaaS
Quick facts:
HQ: San Francisco, CA, United States
Proof of Human
Hiring
What they do:
continuous human verification without CAPTCHAs or user friction
Quick facts:
HQ: San Francisco, CA, United States
Shiboleth
Hiring
What they do:
Shiboleth automates lending compliance for financial institutions…
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HQ: San Francisco, CA, United States
Socratix AI
Hiring
What they do:
AI coworkers for fraud and compliance teams.
Quick facts:
HQ: San Francisco, CA, United States
Antigen
Hiring
What they do:
Continuous offensive security for the enterprise.
Quick facts:
HQ: San Francisco, CA, United States
Hyperbrowser
Hiring
What they do:
Web infra for AI agents
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HQ: San Francisco, CA, United States
Metalware
Hiring
What they do:
Firmware cybersecurity
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HQ: San Francisco, CA, United States
SubImage
Hiring
What they do:
The Open-Core Security Graph
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HQ: San Francisco, CA, United States
Dyneti Technologies
Hiring
What they do:
Reduce payment fraud
Quick facts:
HQ: San Francisco, CA, United States
Candor
Hiring
What they do:
Protect your data and stop insider risk
Quick facts:
HQ: San Francisco, CA, United States
Archon
Hiring
What they do:
We help software companies sell to government.
Quick facts:
HQ: San Francisco, CA, United States
Pangolin
Hiring
What they do:
Open networking and security for your workforce, AI agents, and infra
Quick facts:
HQ: New York, NY, United States
Rimward
Hiring
What they do:
Solar farm security software for existing cameras
Quick facts:
Sift
Hiring
What they do:
The Leader in Digital Trust & Safety
Quick facts:
HQ: San Francisco, CA, United States
PromptArmor
Hiring
What they do:
LLM Security and Compliance
Quick facts:
HQ: San Francisco, CA, United States
YC W24Early stage