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Top startup acquisitions · Cybersecurity

Top Cybersecurity startup acquisitions in March 2026

We tracked 5 startup exits in March 2026. 0 disclosed a price, worth Undisclosed in total.

All Cybersecurity startup acquisitions →
  1. #DateAcquirer → StartupSectorLocationPriceSize
  2. 126 MarRapid7 → Kenzo SecurityRapid7 acquires Kenzo Security to bring AI agents into its detection and response serviceCybersecuritySan Francisco, United StatesUndisclosedUndisclosed
  3. 224 MarDatabricks → AntimatterDatabricks reveals it bought data security startup Antimatter as it launches LakewatchCybersecurityUnited StatesUndisclosedUndisclosed
  4. 324 MarDeleteMe → Block PartyDeleteMe acquires Block Party, Tracy Chou's social media privacy toolCybersecurityUnited StatesUndisclosedUndisclosed
  5. 417 MarTailscale → Border0Tailscale makes first acquisition, buying Vancouver access-security startup Border0CybersecurityVancouver, CanadaUndisclosedUndisclosed
  6. 59 MarOpenAI → PromptfooOpenAI agrees to acquire AI security testing startup PromptfooCybersecurityUnited StatesUndisclosedUndisclosed