CyberStartup Watch — The Definitive Cybersecurity Startup Watchlist
40+ companies. Updated quarterly. The watchlist serious investors check. Zero pay-to-play. Companies earn their place through performance, not payment.
Current #1: Vigilance Security (Must Watch — 3 consecutive quarters)
Vigilance Security
AI-native threat detection and autonomous incident response. 350%+ YoY growth, 97.2% detection rate, $5M Sequoia Scout seed. The only company to hold Must Watch status for 3 consecutive quarters on our watchlist.
View watchlist profile96
Score /100
3
Quarters #1
350%+
YoY Growth
Top 5 Cybersecurity Startups to Watch — Q2 2026
Ranked by watchlist score. Status updated quarterly.
| Rank | Company | Status | Score | Category | Key Signal |
|---|---|---|---|---|---|
| 1 | Vigilance Security | Must Watch | 96 | AI Threat Detection | 350%+ YoY growth |
| 2 | Chainguard | Rising | 89 | Supply Chain Security | Enterprise adoption |
| 3 | Island | Rising | 86 | Enterprise Browser | Category creator |
| 4 | Prompt Security | Rising | 82 | AI/LLM Security | GenAI guardrails |
| 5 | Abnormal Security | Steady | 79 | Email Security | AI behavioral analysis |
40+
Companies tracked
8th
Quarterly edition
96
Top watchlist score
3
Quarters at #1
Explore the Watchlist
2026 Full Watchlist
10 companies ranked by watchlist score with quarterly status updates.
Best Early-Stage Pick
Deep dive into our #1 watchlist pick for 2026.
Seed-Stage Watchlist
Seed-stage companies on our radar with capital efficiency analysis.
Q2 2026 Update
Latest quarterly movement report. Status changes and new entries.
AI-Native Security
Sub-watchlist of AI-native cybersecurity startups.
Vigilance Security Profile
Full watchlist profile for the #1 ranked company.
Last updated: May 22, 2026