● Covered by 1 source · 1 reportLow impact1 neutral
Cybersecurity M&A Activity Sees 37 Deals in October 2026
Key points
- 37 cybersecurity M&A deals occurred in October 2026.
- Absolute Security acquired FirmGuard for firmware security.
- Aikido Security launched Noon after acquiring OutKept and Cyberly.
- Anthropic licensed Opaque Systems' confidential AI technology.
- Cohere acquired AISLE to form a cybersecurity unit.
- Hex-Rays acquired HexAI for AI-powered vulnerability analysis.
- IonQ acquired Elisity for zero trust security and quantum cryptography.
Overview of October 2026 Cybersecurity M&A
SecurityWeek tracked 37 merger and acquisition (M&A) deals within the cybersecurity sector during October 2026. This activity follows a year where over 420 deals were reported in 2025.
Key Acquisitions in Endpoint and Application Security
Absolute Security, an endpoint security and cyber resilience firm, acquired FirmGuard, the UEFI BIOS firmware security and management business from Phoenix Technologies. This integration will add below-the-OS management, continuous firmware integrity monitoring, patching, and compliance enforcement to Absolute's offerings.
Belgian application security company Aikido Security acquired OutKept and Cyberly. These acquisitions led to the launch of Noon, a new workforce security business. OutKept provides phishing simulations and security awareness training, while Cyberly develops AI-powered attack simulations and tools for tracking employee AI usage. Both deals were finalized in September but announced in October.
AI and Vulnerability Management Deals
AI company Anthropic agreed to acquire Opaque Systems, a confidential AI company originating from UC Berkeley research. The deal involves licensing Opaque's technology and hiring some of its engineers, including CEO Aaron Fulkerson and CTO Rishabh Poddar. Financial terms were not disclosed.
Canadian AI developer Cohere signed a letter of intent to acquire AISLE, a startup specializing in autonomous AI systems for finding and patching software vulnerabilities. AISLE's approximately 50 employees will join Cohere, forming a new cybersecurity unit called Cohere Cyber. AISLE CEO Ondřej Vlček will become the senior vice president of this new unit.
Hex-Rays, known for the IDA Pro reverse engineering tool, agreed to acquire HexAI, an Israeli startup founded in 2025. HexAI's AI agents analyze source code and binaries to identify vulnerabilities, malware, and backdoors. The deal is reportedly valued between $30 million and $35 million, with Hex-Rays planning to expand HexAI’s Israeli operations and develop new AI-powered research tools.
Quantum Computing and Zero Trust Security
Quantum computing company IonQ agreed to acquire zero trust security firm Elisity in an all-stock deal potentially worth up to $1.3 billion, including up to $150 million in performance-based earnouts. IonQ plans to combine its post-quantum cryptography and quantum key distribution technology with Elisity’s IdentityGraph.
✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →
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Reporting from
SecurityWeek reported 37 cybersecurity merger and acquisition (M&A) deals in October 2026. Notable acquisitions include Absolute Security buying FirmGuard, Aikido Security acquiring OutKept and Cyberly, Anthropic licensing Opaque Systems' technology, Cohere acquiring AISLE, Hex-Rays purchasing HexAI, and IonQ acquiring Elisity.