| 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 | CodeIntegrity raised a seed round | $4.8m | Report on the CodeIntegrity funding round of March 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2026 | Onyx Security raised a Series A roundInvestor Conviction VC | $40m | Report on the Onyx Security funding round of March 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| March 2026 | JetStream Security raised a seed roundInvestor Redpoint | $34m | Report on the JetStream Security funding round of March 2026 (opens in a new tab)via Security, Funded (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 | Trustwise AI raised funding | $12.1m | Report on the Trustwise AI funding round of February 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2026 | Evoke Security raised a pre-seed roundInvestor Crosspoint Capital Partners | $4m | Report on the Evoke Security funding round of February 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2026 | Reco raised a Series B roundReco provides an AI agent security platform that maps, governs, and protects AI agents across enterprise applications.Investor Zeev Ventures | $30m | Report on the Reco funding round of February 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2026 | Realm Labs raised a seed roundInvestor RSA Conference | $5m | Report on the Realm Labs funding round of February 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2026 | Opaque Systems raised a Series B roundProvides a trust layer that lets organisations run AI on sensitive data with hardware-enforced governance and verifiable proof.Investor Walden Catalyst | $24m | Report on the Opaque Systems funding round of February 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| February 2026 | Geordie AI raised a seed roundInvestor RSA Conference | $5m | Report on the Geordie AI funding round of February 2026 (opens in a new tab)via Security, Funded (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 | Pallma AI raised a pre-seed roundInvestor Marathon Venture Capital | $1.6m | Report on the Pallma AI funding round of January 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| January 2026 | Nenna AI raised a seed roundInvestors dfv Mediengruppe and IBB Ventures | Undisclosed | Report on the Nenna AI funding round of January 2026 (opens in a new tab)via Security, Funded (opens in a new tab) |
| January 2026 | WitnessAI raised fundingInvestor Sound Ventures | $58m | Report on the WitnessAI funding round of January 2026 (opens in a new tab)via Security, Funded (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) |