A total of 26 cybersecurity-focused merger and acquisition (M&A) deals were made public during May 2026.
To explore the full list of over 420 acquisitions that took place throughout 2025, take a look at SecurityWeek’s comprehensive annual M&A report.
Below are the standout cybersecurity M&A deals from May 2026:
Akamai to acquire LayerX
Akamai has entered into an agreement to purchase LayerX, an AI and browser security specialist, in a deal worth approximately $205 million, paid entirely in cash. LayerX has built a security platform that delivers real-time oversight and management of user and agent-driven activities spanning browsers, applications, and integrated development environments. This technology allows Akamai to enhance its Zero Trust and application security offerings with AI usage control features.
Check Point acquires Deepchecks
Check Point Software Technologies has taken over the team and intellectual property of AI evaluation startup Deepchecks, in a deal reportedly valued between $10 million and $20 million. The acquisition is intended to speed up the rollout of Check Point’s recently introduced Agentic Network Security Orchestration platform. With Deepchecks’ ongoing monitoring and large language model evaluation technology integrated, Check Point adds a crucial verification layer for self-governing AI security agents.
Cisco acquires Astrix Security
Cisco has revealed its plans to purchase Israeli non-human identity security startup Astrix Security for an estimated $400 million. The deal aims to broaden Cisco’s Zero Trust framework to encompass what it refers to as the ‘agentic workforce.’ By embedding Astrix’s non-human identity management solutions into Cisco Identity Intelligence, Duo IAM, and Splunk, Cisco intends to equip security teams with the means to identify, verify, manage, and continuously oversee autonomous AI entities throughout the enterprise network.
Cycurion acquires Halo Privacy, HavenX, and Secuvant
Publicly listed cybersecurity firm Cycurion, Inc. has confirmed the acquisitions of Halo Privacy, HavenX, and Secuvant. The Secuvant transaction was priced at $2.875 million, while the financial details for Halo Privacy and HavenX were not disclosed. The combined purpose of these back-to-back deals is to create a comprehensive, end-to-end defense platform that merges Cycurion’s existing solutions with Halo’s secure communications, HavenX’s forensic attribution tools, and Secuvant’s automated SOC-as-a-Service processes.
Cyera acquires Genie Security
Data security leader Cyera has wrapped up its acquisition of Genie Security, a five-month-old endpoint data protection startup, for an estimated $50 million. The deal is set to broaden Cyera’s Data Security Posture Management (DSPM) ecosystem. By incorporating Genie Security’s endpoint telemetry agents into its platform, Cyera seeks to tackle a major corporate vulnerability: stopping sensitive company data from being exposed or fed into generative AI systems and autonomous software agents.
Datavault AI to acquire CyberCatch
Data monetization and edge computing company Datavault AI has signed a binding letter of intent to acquire cybersecurity provider CyberCatch in an all-stock deal valued at around $100 million. Upon completion, CyberCatch will function as a wholly-owned subsidiary with its existing management team remaining in place. The core objective of the acquisition is to integrate CyberCatch’s AI-driven continuous compliance testing and automated penetration testing tools directly into Datavault AI’s edge GPU processing infrastructure.
Dragos acquires Phosphorus
Industrial cybersecurity company Dragos has purchased xIoT security specialist Phosphorus, a strategic move designed to bolster its capacity to help organizations protect and manage the rapidly expanding network of connected devices found within critical infrastructure and operational environments.
SecurityScorecard acquires Driftnet
Cybersecurity ratings provider SecurityScorecard has finalized its acquisition of UK-based internet scanning and threat intelligence startup Driftnet for an undisclosed amount. The key aim of the deal is to incorporate Driftnet’s high-precision, port-agnostic scanning technology into SecurityScorecard’s newly released TITAN AI engine.
Torq acquires Jit
Agentic security firm Torq has completed its purchase of fellow Israeli cybersecurity startup Jit for an estimated $70 million. The deal brings Jit’s full 30-member team into the Torq organization. The main purpose of the acquisition is to layer Jit’s sophisticated AI Context Graph technology on top of Torq’s AI SOC platform.
WatchGuard acquires Perimeters.io
WatchGuard Technologies has completed its acquisition of cloud application security startup Perimeters.io. The deal is aimed at integrating Perimeters’ technology to support WatchGuard’s newly introduced service, WatchGuard CloudDR. By combining Perimeters’ technology with its MSP-focused ecosystem, WatchGuard plans to provide its partners with a unified, multi-tenant dashboard for continuously auditing configurations, detecting compromised credentials through ITDR, and automatically mitigating shadow AI and shadow IT risks across cloud applications.
Zscaler acquires Symmetry Systems
Cloud security leader Zscaler has announced its intention to acquire AI and data security company Symmetry Systems. The goal is to integrate native identity and data mapping capabilities directly into Zscaler’s Zero Trust Exchange. Through the incorporation of Symmetry Systems’ access-graph technology, Zscaler will offer security teams a centralized visual control interface to monitor precisely which data autonomous AI agents are accessing, enforce strict least-privilege data policies, and automatically isolate unusual agent activities.
Additional cybersecurity M&A deals announced in May 2026:
Austability Group acquires majority stake in Nine23
Boost Security acquires SecureIQx and Korbit.ai
Cranium AI acquires Aiceberg
Eurazeo acquires majority stake in Nextron Systems
FutureRange acquires Echo IT
Harbor IT acquires ComTech Computer Services
Integritis acquires JS Information Governance
KPIT to acquire Cymotive
NextPoint Group acquires UScontracting
OPAQUE acquires Cryptographic AI Technology
Snowflake to acquire Natoma
Terra Quantum merges with Axiom Intelligence Acquisition Corp 1 at $3.5 billion valuation
Related: Cybersecurity M&A Roundup: 33 Deals Announced in April 2026
