Thirty-three cybersecurity-related merger and acquisition (M&A) deals were announced in April 2026.
For a detailed view of the more than 420 acquisitions announced in 2025, check out SecurityWeek’s annual M&A report.
Here are some of the most important cybersecurity M&A deals announced in April 2026:
Airbus has entered into an agreement to acquire Quarkslab, a French cybersecurity company founded in 2011 with approximately 100 employees. Financial terms were not disclosed. The transaction is part of Airbus’ broader strategy to build sovereign cybersecurity capabilities across Europe. Quarkslab’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.
Cyera, a data security firm valued at $9 billion, announced its acquisition of Ryft, an Israeli startup founded in 2024 that built a secure and automated data lake platform for AI agents. Financial terms were not officially disclosed, but market sources estimate the deal at between $100 million and $130 million. The acquisition builds on Cyera’s focus on agentic AI security, adding data lake capabilities to help enterprises securely adopt autonomous AI systems that depend on trusted, governed, and secure data.
Swiss 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 realignment to focus on its core business. The transaction values Rhebo at an enterprise value in the high single-digit million dollar range and is subject to regulatory approvals. Rhebo develops intrusion detection and anomaly monitoring solutions for OT networks and IIoT environments.
Fortra acquires Zero-Point Security
Fortra has acquired Zero-Point Security, a specialized cybersecurity training firm based in the UK. The acquisition expands Fortra’s offensive security education capabilities, bringing additional expertise in red team operations, adversary emulation, and penetration testing training, and will directly enhance training offerings tied to Fortra’s Cobalt Strike, Core Impact, and Outflank Security Tooling platforms.
Fortreum, a cybersecurity assessment and advisory firm backed by Gryphon Investors, announced the acquisition of Kovr.AI, a compliance platform serving the US defense and national security community. The combined offering is designed to support the full compliance lifecycle — from readiness and documentation to formal assessment and continuous monitoring — across FedRAMP, CMMC 2.0, DOD SRG, NIST CSF 2.0, and GovRAMP.
Palo Alto Networks to acquire Portkey
Palo Alto Networks has announced its intent to acquire San Francisco-based (Bengaluru-founded) AI Gateway firm Portkey. The 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. The deal has been reportedly valued at $120-140 million.
Silverfort acquires Fabrix Security
Texas-based (Israeli-founded) identity security firm Silverfort has acquired Tel Aviv-based startup Fabrix Security, reportedly for tens of millions of dollars. The deal combines Silverfort’s runtime access protection with Fabrix’s AI decisioning engine to deliver an autonomous identity security platform for human, machine, and agentic identities.
Software supply chain security company Socket has acquired extension security startup Secure Annex. The deal expands Socket’s protection to browser, IDE, and AI tool extensions, creating broader visibility across the development lifecycle. Secure Annex founder John Tuckner joins Socket.
SaaS security provider Spin.AI has acquired Revyz, a specialist in Jira and Confluence backup and configuration management. The deal extends Spin.AI’s data resiliency and security posture management to the Atlassian ecosystem, offering unified protection alongside Google Workspace, Microsoft 365, and Salesforce.
Other cybersecurity M&A deals announced in April 2026:
ADVANS Group acquires CORALIUM
Alchemy Technology Group acquires IOvations
Applus+ Laboratories to acquire Teron Labs
Bridgepoint to acquire majority stake in iC Consult
Cisco acquires Galileo Technologies
Cloudcomputing acquires Innovate IT
ControlCase acquires CyberNINES
Corporate Technologies acquires RPM Technologies
Netum Group acquires Cyberwatch Oy
PentenAmio acquires Armour Communications
Scale AI acquires ICG Solutions
Suzu Labs acquires Emulated Criminals
TekStream acquires ImagineX Cybersecurity Business
Virtual IT Group acquires Security Centric
Related: Cybersecurity M&A Roundup: 42 Deals Announced in February 2026
Related: Cybersecurity M&A Roundup: 38 Deals Announced in March 2026
