42 Cybersecurity M&A Deals Announced in February 2026
Summary
SecurityWeek reported 42 cybersecurity-related M&A deals announced in February 2026, spanning areas including attack surface management, AI security, endpoint protection, identity fraud detection, and post-quantum cryptography.
Key points
- The roundup lists 42 cybersecurity-related M&A deals announced in February 2026.
- Arctic Wolf acquired Sevco Security to expand attack surface management and visibility in managed security operations.
- Check Point announced acquisitions of Cyata, Cyclops Security, and Rotate to advance AI security, exposure management, and workspace capabilities.
- Palo Alto Networks entered a definitive agreement to acquire Koi; the deal was reportedly valued at $400 million.
- Proofpoint acquired Acuvity, whose technology is intended to provide visibility and controls for interactions with AI applications.
- Varonis acquired AllTrue.ai for $150 million to add AI trust, risk, and security management capabilities.
- Other highlighted deals included Sophos acquiring Arco Cyber and Zscaler acquiring browser security firm SquareX.
Article Details
- Event Type
- Cybersecurity mergers and acquisitions: 42 deals announced in February 2026.
- Impact
- The reported acquisitions aim to expand capabilities in areas including AI security, exposure management, endpoint and browser security, identity verification, and fraud detection. Varonis valued its acquisition of AllTrue.ai at $150 million; the Koi deal was reportedly valued at $400 million, though Palo Alto Networks had not officially disclosed financial details. Financial details for the Arctic Wolf–Sevco Security deal were not disclosed.
Vendors
AcuvityProofpoint acquires AcuvityAllTrue.aiData security company Varonis Systems has acquired AllTrue.ai for its AI trust, risk, and security management (TRiSM) solutions.Arco CyberSophos acquires Arco CyberArctic WolfArctic Wolf acquires Sevco SecurityAtDataExperian acquires AtDataAutonomous PlaneEndor Labs acquires Autonomous PlaneBooz Allen HamiltonTechnology consulting giant Booz Allen Hamilton acquired cybersecurity services and consulting firm Defy Security.Check PointCheck Point acquiring Cyata, Cyclops Security, and RotateCyataCheck Point acquiring Cyata, Cyclops Security, and RotateCyclopsCheck Point acquiring Cyata, Cyclops Security, and RotateDefy SecurityBooz Allen to acquire Defy SecurityEndor LabsEndor Labs acquires Autonomous PlaneExperianExperian acquires AtDataKoiPalo Alto Networks to acquire KoiPalo Alto NetworksPalo Alto Networks to acquire KoiProofpointProofpoint acquires AcuvityQuantum eMotionQuantum eMotion to acquire SKV TechnologyRotateCheck Point acquiring Cyata, Cyclops Security, and RotateSevco SecurityArctic Wolf acquires Sevco SecuritySKV TechnologyQuantum eMotion to acquire SKV TechnologySophosSophos acquires Arco CyberSquareXZscaler acquires SquareXVaronisData security company Varonis Systems has acquired AllTrue.ai for its AI trust, risk, and security management (TRiSM) solutions.ZscalerZscaler acquires SquareX
Products
CISO AdvantageSophos said the acquisition enables it to deliver AI-powered cybersecurity governance capabilities, through its CISO Advantage offering, to organizations that lack dedicated security leadership.Cortex XDRPalo Alto Networks said it’s buying Koi for its agentic endpoint security technology, aiming to enhance its Prisma AIRS AI security platform and Cortex XDR endpoint security solution.Prisma AIRSPalo Alto Networks said it’s buying Koi for its agentic endpoint security technology, aiming to enhance its Prisma AIRS AI security platform and Cortex XDR endpoint security solution.