Thirty-eight cybersecurity-related merger and acquisition (M&A) deals were announced in March 2026.
For a detailed view of the more than 420 acquisitions announced in 2025, check out SecurityWeek’s annual M&A report.
It’s also worth noting that Google’s $32 billion acquisition of cloud security giant Wiz was completed in March.
Here are some of the most important cybersecurity M&A deals announced in March 2026:
Airbus to acquire Ultra Cyber
Airbus has entered into a definitive agreement with Cobham Ultra, a portfolio company of Advent International, to acquire Ultra Cyber, a UK-based sovereign cybersecurity company. Ultra Cyber specializes in cryptography and data security for UK Ministry of Defense programs, and the acquisition also includes a specialized airborne datalinks capability that complements Airbus’ military aircraft portfolio.
AppViewX acquires Eos
AppViewX, a machine identity management provider, acquired Eos, an AI-native identity control platform for AI agents and autonomous workloads, combining AppViewX’s certificate lifecycle management and PKI capabilities with Eos’s agentic governance and privileged access controls. As part of the transaction, Eos co-founder Archit Lohokare was appointed CEO of AppViewX, succeeding Dino DiMarino.
Cellebrite acquires SCG Canada
Digital intelligence and forensic solutions firm Cellebrite closed its acquisition of SCG Canada, a provider of handheld digital forensics solutions enabling access to data from more than 80 of the most common unmanned aerial vehicles. SCG’s technology enables extraction, decoding, and visualization of vast amounts of drone data (including flight logs, video files, and cell tower connections).
Databricks acquires Antimatter and SiftD.ai
Databricks acquired two cybersecurity startups — Antimatter and SiftD.ai — to underpin the launch of Lakewatch, its new AI-powered SIEM platform. Antimatter was founded by UC Berkeley security researchers specializing in authentication and authorization for AI agents, while SiftD.ai was founded by the creator of Splunk’s Search Processing Language and lead architects of Splunk’s search stack, bringing expertise in large-scale detection engineering and threat analytics.
Fasoo and Konsilix merge to form Symbologic
South Korean data security firm Fasoo announced that its US subsidiary has entered into an agreement with Konsilix, a US-based enterprise AI platform and consulting firm, to merge and form a new company called Symbologic. The combined entity brings together Fasoo’s expertise in enterprise data security and lifecycle management with Konsilix’s secure, data-in-place conversational AI platform and consulting capabilities, targeting enterprise and mid-market organizations facing AI governance and security risks.
Infotrust acquires Catalyst Cyber
Australian ASX-listed cybersecurity provider Infotrust agreed to acquire Canberra-based Catalyst Cyber in a performance-linked transaction valued at approximately AUD $5 million (USD $3.4 million). Catalyst Cyber brings established federal agency relationships, security-cleared personnel, and specialist accreditations across IRAP assessments and the Essential Eight framework, giving Infotrust immediate access to high-barrier federal government cybersecurity markets.
OpenAI to acquire Promptfoo
OpenAI is acquiring AI security company Promptfoo, which has developed a platform for evaluating and testing LLMs and AI agents. The platform allows developers to simulate a wide array of adversarial attacks directly within their existing development workflows. Once it completes the acquisition, OpenAI plans to integrate Promptfoo’s capabilities into its Frontier platform.
Quantum eMotion acquires SKV Technology
Quantum eMotion, a Canada-based developer of quantum-based cybersecurity and QRNG solutions, has agreed to acquire California-based SKV Technology, gaining its high-assurance SecureKey cryptographic enforcement platform (originally from Jet Lab Technologies). Financial terms include milestone earn-outs up to C$7 million and potential royalties up to $15 million. The goal is to integrate SecureKey’s memoryless cryptography with Quantum eMotion’s Sentry-Q orchestration layer to create a full-stack quantum-resilient cybersecurity platform.
Rapid7 to acquire Kenzo Security
Rapid7 has acquired Kenzo Security, a San Francisco Bay Area-based provider of an agentic AI security platform for autonomous investigations and SOC modernization. The goal is to accelerate Rapid7’s Command Platform toward preemptive, machine-speed detection and response, transforming its MDR services from AI-assisted to fully AI-driven autonomous operations that scale investigations, reduce manual workload, and disrupt attackers more effectively.
Soxton acquires Cipher
Soxton AI, a New York-based AI-powered legal technology platform and NewMod law firm serving startup founders, has acquired San Francisco-based Cipher Technologies, a provider of real-time security layers for agentic AI applications. The goal is to integrate Cipher’s agentic security and governance capabilities into Soxton’s full-stack AI legal infrastructure, providing advanced protection for autonomous workflows, sensitive startup data, and multi-agent systems while improving the accuracy and reliability of its AI-driven legal services.
Zurich acquires Beazley
Swiss insurance giant Zurich has agreed to acquire UK-based Beazley for approximately $11 billion to strengthening its position in the cyberinsurance market. Beazley’s established Full Spectrum Cyber offering, which combines comprehensive coverage with in-house incident response and proactive security services, will enhance Zurich’s specialty lines and support its ambition to become a leading global player in cyber risk protection.
Other cybersecurity M&A deals announced in March 2026:
Acture Solutions acquires Artilus
Alchemy acquires Enterprise Computing Solutions
Aspire Technology Solutions acquires NVT Group
BTMS acquires Integrity Consulting, Engineering & Security Solutions
Connectus Business Solutions acquires I7 Technologies
Convergence Networks acquires Certinet Systems
Devolutions acquires UniGetUI
EchoStor Technologies acquires Pennant Networks
Ekco acquires Nijmko ICT
Ekinops acquires Chimere
Entech acquires C2 Computer Services
Env Zero merges with CloudQuery
Giesecke+Devrient acquires XTec
Global Settlement acquires InvestReady and Accreditoken to launch GSX Identity
ITS acquires Black Breach
K2 Integrity acquires Leviathan Security Group
Koniag Cyber acquires SoundWay Consulting CMMC Business
Leonardo to acquire Becrypt
Limerston Capital acquires CyberCrowd
Michael Hebert (via Turtle Island Technology Solutions) acquires majority stake in Castellan Information Security Services
Nasuni acquires Resilio
Planetel acquires Ora-0
SafeHill acquires Arcane Security
Securitas acquires Liferaft
Sterling Investment Partners acquires Cyber Advisors
Tailscale acquires Border0
Related: Cybersecurity M&A Roundup: 34 Deals Announced in January 2026
Related: Cybersecurity M&A Roundup: 42 Deals Announced in February 2026
