Cybersecurity M&A Roundup: 38 Deals Announced in March 2026

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 ...