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 ...