33 Cybersecurity M&A Deals Announced in April 2026

Summary
Thirty-three cybersecurity M&A deals were announced in April 2026, including Airbus–Quarkslab, Cyera–Ryft, Palo Alto Networks–Portkey, and Socket–Secure Annex, expanding capabilities in AI security, OT monitoring, and software supply-chain protection.
Key points
- Airbus agreed to acquire Quarkslab as part of a strategy to build sovereign cybersecurity capabilities in Europe; Quarkslab’s QShield is designed to protect software and digital assets from AI-driven threats and reverse engineering.
- Cyera acquired Ryft, adding a secure data lake platform intended to help enterprises govern data used by autonomous AI systems.
- Landis+Gyr agreed to sell its Rhebo OT security division to Everfield; the deal is subject to regulatory approval.
- Palo Alto Networks announced its intent to acquire Portkey to add an AI Gateway control plane for securing and governing autonomous agents within Prisma AIRS.
- Socket acquired Secure Annex, extending its software supply-chain security coverage to browser, IDE, and AI tool extensions.
- Other reported deals include Silverfort’s acquisition of Fabrix Security to combine identity protection with AI-based decisioning, and Spin.AI’s acquisition of Revyz for Jira and Confluence backup and configuration management.
Article Details
- Event Type
- Cybersecurity mergers and acquisitions announced in April 2026
- Impact
- The announced deals combine or expand capabilities in areas including sovereign cybersecurity, AI and data security, OT security, offensive security training, compliance, identity security, and software supply-chain security. Financial terms were undisclosed for several deals; market sources estimated Cyera's acquisition of Ryft at $100 million–$130 million, and Portkey's deal was reportedly valued at $120 million–$140 million.
People
Vendors
AirbusAirbus to acquire QuarkslabCyeraCyera acquires RyftFabrix SecuritySilverfort acquires Fabrix SecurityFortraFortra acquires Zero-Point SecurityFortreumFortreum acquires Kovr.aiKovr.AIFortreum acquires Kovr.aiPalo Alto NetworksPalo Alto Networks to acquire PortkeyPortkeyPalo Alto Networks to acquire PortkeyQuarkslabAirbus to acquire QuarkslabRevyzSpin.AI acquires RevyzRheboEverfield acquires RheboRyftCyera acquires RyftSecure AnnexSocket acquires Secure AnnexSilverfortSilverfort acquires Fabrix SecuritySocketSocket acquires Secure AnnexSpin.AISpin.AI acquires RevyzZero-Point SecurityFortra acquires Zero-Point Security
Products
Prisma AIRSThe deal aims to establish an AI Gateway as the mission-critical control plane for securing and governing autonomous AI agents within Palo Alto’s Prisma AIRS platform.QShieldQuarkslab’s solution, QShield, is designed to safeguard software and digital assets against AI-driven threats and reverse engineering, with a particular focus on defense and aerospace environments.
Tools
Cobalt Strikeand penetration testing training, and will directly enhance training offerings tied to Fortra’s Cobalt Strike, Core Impact, and Outflank Security Tooling platforms.Core Impacttesting training, and will directly enhance training offerings tied to Fortra’s Cobalt Strike, Core Impact, and Outflank Security Tooling platforms.Outflank Security Toolingand will directly enhance training offerings tied to Fortra’s Cobalt Strike, Core Impact, and Outflank Security Tooling platforms.
Industries
CybersecurityThirty-three cybersecurity-related merger and acquisition (M&A) deals were announced in April 2026.Defense and aerospaceQuarkslab’s solution, QShield, is designed to safeguard software and digital assets against AI-driven threats and reverse engineering, with a particular focus on defense and aerospace environments.EnergySwiss energy technology company Landis+Gyr has signed a definitive agreement to sell Rhebo, its OT security product division, to Everfield Germany, a European buy-and-hold B2B software investor, as part of a strategic
