Metapacket
Shut down
What they do:
Metapacket is the first selective web gateway that stops malware by…
Quick facts:
HQ: San Francisco, CA, United States
Top Cybersecurity Startups
This list has 228 startups and was last updated on Oct 15, 2026. 57 of them are hiring right now. Biggest hubs: San Francisco (125), New York (24), and Tel Aviv (6). Largest teams: Vanta, Veriff, and TRM Labs. Latest round: Harmonic Security raised $50M (Oct 14, 2026).
Survival statistics →173 open roles →
228 startupsPage 7 of 7
EnvKey
Shut down
What they do:
End-to-end encrypted configuration and secrets management
Quick facts:
HQ: San Francisco, CA, United States
Federacy
Shut down
What they do:
Penetration testing and bug bounty platform.
Quick facts:
HQ: San Francisco, CA, United States
Preclusio
Shut down
What they do:
We help companies comply with privacy laws like GDPR. Many of these…
Quick facts:
HQ: San Francisco, CA, United States
Blyss
Shut down
What they do:
End-to-end encrypted AI.
Quick facts:
HQ: San Francisco, CA, United States
Vizly
Shut down
What they do:
Data to insights in seconds
Quick facts:
HQ: San Francisco, CA, United States
Aedilic
Shut down
What they do:
Open-Source AI-generated image/deepfake detection
Quick facts:
HQ: San Francisco, CA, United States
Traversal Networks
Shut down
What they do:
Enterprise Threat Detection: Tuning, Triage, and Analysis by Experts.
Quick facts:
HQ: San Francisco, CA, United States
Observa
Shut down
What they do:
Catch accidental database exposures before the bad guys
Quick facts:
HQ: Remote
Documents.Me
Shut down
What they do:
Client-side encryption for your devices and the cloud.
Quick facts:
HQ: San Francisco, CA, United States
YC W12Early stage
Rescue Forensics
Shut down
What they do:
Actionable human trafficking intelligence
Quick facts:
HQ: Nashville, TN, United States
YC W15Early stage
Sublime Black
Shut down
What they do:
Automating Cyber Security Incident Response Through Artificial…
Quick facts:
YC W19Early stage