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Top startup acquisitions · Cybersecurity

Top Cybersecurity startup acquisitions in September 2026

We tracked 4 startup exits in September 2026. 0 disclosed a price, worth Undisclosed in total.

All Cybersecurity startup acquisitions →
  1. #DateAcquirer → StartupSectorLocationPriceSize
  2. 123 SepUpwind → AegisUpwind acquires nine-month-old Israeli AI security startup Aegis to launch an AI research labCybersecurityIsraelUndisclosedUndisclosed
  3. 28 SepKiteworks → Bonfy.AIKiteworks acquires Israeli AI data-security startup Bonfy.AICybersecurityIsraelUndisclosedUndisclosed
  4. 37 SepSurfshark → OpterySurfshark buys majority stake in data-removal startup OpteryCybersecuritySan Francisco, United StatesUndisclosedUndisclosed
  5. 42 SepNetSPI → SynackNetSPI and Synack merge to form KKR-owned offensive security firm with $200M+ revenueCybersecurityRedwood City, United StatesUndisclosedUndisclosed