Cybersecurity M&A Roundup: 30 Deals Announced in November 2025

SecurityWeek reports that thirty cybersecurity-related merger and acquisition deals were announced in November 2025, with high-profile moves from Arctic Wolf, Bugcrowd, Huntress, Palo Alto Networks and Zscaler. Arctic Wolf announced the acquisition of UpSight Security to bolster its Aurora Endpoint Security platform, while Bugcrowd bought Mayhem Security to combine with its crowdsourced testing for secure software delivery.

Coalition revealed the acquisition of Wirespeed, a managed detection and response firm, and Huntress expanded its identity security posture with the acquisition of Inside Agent. Other notable transactions include Palo Alto Networks agreeing to acquire Chronosphere for $3.35 billion and Zscaler taking on SPLX to extend its Zero Trust Exchange with AI‑enabled capabilities.

The roundup also highlights further deals such as SAFE acquiring Balbix and SSL[.]com purchasing VikingCloud’s digital certificate business, illustrating a broad mix of cyber risk, observability, application security and certificate management moves in the month.