| October 2026 | Anthropic acquired Opaque SystemsProvides a trust layer that lets organisations run AI on sensitive data with hardware-enforced governance and verifiable proof. | Undisclosed | Report on Anthropic buying Opaque Systems, October 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2026 | Upwind acquired AegisIsraeli startup building defences against AI-driven attacks | $30m | Report on Upwind buying Aegis, September 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2026 | Kiteworks acquired Bonfy.AIAI data security company enforcing policy over sensitive data | Undisclosed | Report on Kiteworks buying Bonfy.AI, September 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| 18 Aug 2026 | Fortinet acquired Virtue AIVirtue AI provides an enterprise AI safety platform for securing AI agents and applications. | Undisclosed | Report on Fortinet buying Virtue AI, 18 Aug 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2026 | Palo Alto Networks acquired ConsoleAI-native platform for building agentic workflows and automating operational tasks | Undisclosed | Report on Palo Alto Networks buying Console, August 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2026 | Deel acquired ClarityIsraeli AI cybersecurity firm detecting deepfakes and verifying identity | Undisclosed | Report on Deel buying Clarity, August 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2026 | Anaconda acquired Enkrypt | Undisclosed | Report on Anaconda buying Enkrypt, August 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2026 | F5 acquired SurePath AIDetects and discovers shadow AI across networks | Undisclosed | Report on F5 buying SurePath AI, June 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2026 | A10 Networks acquired TrojAICanadian AI security firm offering red-teaming and runtime protection | Undisclosed | Report on A10 Networks buying TrojAI, June 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Snowflake acquired NatomaEnterprise Model Context Protocol platform for securely connecting AI agents to applications | Undisclosed | Report on Snowflake buying Natoma, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Cranium AI acquired AicebergAgentic AI security and risk management company | Undisclosed | Report on Cranium AI buying Aiceberg, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Check Point acquired DeepchecksFirm checks artificial intelligence systems and watches them all the time | Undisclosed | Report on Check Point buying Deepchecks, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Boost Security acquired SecureIQx | Undisclosed | Report on Boost Security buying SecureIQx, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2026 | Boost Security acquired Korbit.ai | Undisclosed | Report on Boost Security buying Korbit.ai, May 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2026 | WhiteHawk acquired QuixxiDevelops Clarity AI platform to discover, monitor and govern AI systems | Undisclosed | Report on WhiteHawk buying Quixxi, April 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2026 | Palo Alto Networks acquired PortkeyOffers a gateway to protect and steer independent AI agents | Undisclosed | Report on Palo Alto Networks buying Portkey, April 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2026 | Cisco acquired Galileo TechnologiesProvides tools to make AI systems trustworthy and observable in real time | Undisclosed | Report on Cisco buying Galileo Technologies, April 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2026 | Soxton acquired CipherGives live protection layers for AI applications run by agents | Undisclosed | Report on Soxton buying Cipher, March 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2026 | OpenAI acquired PromptfooA tool for judging and trialling large language models and AI agents | Undisclosed | Report on OpenAI buying Promptfoo, March 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2026 | Fasoo acquired KonsilixProvides secure conversational AI platform and consulting services for enterprises | Undisclosed | Report on Fasoo buying Konsilix, March 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2026 | Databricks acquired AntimatterAuthentication and authorisation for AI agents | Undisclosed | Report on Databricks buying Antimatter, March 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| February 2026 | Varonis acquired AllTrue.aiBusiness manages confidence, danger and protection for artificial intelligence | $150m | Report on Varonis buying AllTrue.ai, February 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| February 2026 | Proofpoint acquired AcuvityAI security and governance company providing visibility and controls over AI use | Undisclosed | Report on Proofpoint buying Acuvity, February 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| February 2026 | Check Point acquired CyataAids in making a full AI protection system better | Undisclosed | Report on Check Point buying Cyata, February 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| January 2026 | LatticeFlow AI acquired AI SonarProvides an AI discovery platform that detects shadow AI | Undisclosed | Report on LatticeFlow AI buying AI Sonar, January 2026 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2025 | Red Hat acquired Chatterbox LabsAI security and safety company offering guardrails and safety testing | Undisclosed | Report on Red Hat buying Chatterbox Labs, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2025 | BigBear.ai acquired Ask SageGenerative AI platform for secure deployment in regulated environments | Undisclosed | Report on BigBear.ai buying Ask Sage, December 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| November 2025 | Zscaler acquired SPLXProvides AI security tools including asset discovery and automated red teaming | Undisclosed | Report on Zscaler buying SPLX, November 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2025 | RecordPoint acquired RedactiveMelbourne startup helping companies adopt AI securely, compliantly and at scale | Undisclosed | Report on RecordPoint buying Redactive, October 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2025 | F5 acquired CalypsoAISecures AI at inference with red teaming and real-time defences | $180m | Report on F5 buying CalypsoAI, September 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2025 | CrowdStrike acquired PangeaProvides security protections for enterprise AI systems | Undisclosed | Report on CrowdStrike buying Pangea, September 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2025 | Check Point acquired LakeraLakera provides security software that protects enterprise AI applications from prompt attacks and data leakage. | Undisclosed | Report on Check Point buying Lakera, September 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| September 2025 | Cato Networks acquired Aim SecurityProvides security for AI agents and applications | Undisclosed | Report on Cato Networks buying Aim Security, September 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2025 | SentinelOne acquired Prompt SecurityPrompt Security provides an AI security platform that protects enterprise AI usage, applications, and agents. | $250m | Report on SentinelOne buying Prompt Security, August 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| June 2025 | Snyk acquired Invariant LabsSwiss company working on agentic AI innovation | Undisclosed | Report on Snyk buying Invariant Labs, June 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| May 2025 | Tenable acquired Apex SecurityWorks on protecting the parts of AI that can be attacked | $105m | Report on Tenable buying Apex Security, May 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| April 2025 | Palo Alto Networks acquired Protect AIPlatform to secure AI models, run AI red teaming and ensure runtime safety | Undisclosed | Report on Palo Alto Networks buying Protect AI, April 2025 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| December 2024 | Coralogix acquired AporiaAI observability and guardrails platform for securing AI systems | Undisclosed | Report on Coralogix buying Aporia, December 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| August 2024 | Cisco acquired Robust IntelligenceSpecialises in securing AI applications | Undisclosed | Report on Cisco buying Robust Intelligence, August 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| July 2024 | Protect AI acquired SydeLabsAutomated attack simulation and red teaming for generative AI systems | Undisclosed | Report on Protect AI buying SydeLabs, July 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| July 2024 | Hiya acquired Loccus.aiDeepfake detection company adding voice detection to fraud prevention systems | Undisclosed | Report on Hiya buying Loccus.ai, July 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| January 2024 | Protect AI acquired Laiyer AISafeguards large language models from attacks, abuse and prompt injection | Undisclosed | Report on Protect AI buying Laiyer AI, January 2024 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| March 2023 | ActiveFence acquired RewireDevelops artificial intelligence for online safety and harmful content detection | Undisclosed | Report on ActiveFence buying Rewire, March 2023 (opens in a new tab)via SecurityWeek (opens in a new tab) |
| October 2022 | Qualys acquired Blue HexagonProvides AI and machine learning technology for threat detection | Undisclosed | Report on Qualys buying Blue Hexagon, October 2022 (opens in a new tab)via SecurityWeek (opens in a new tab) |