SecurityWeek tracks 37 cybersecurity M&A deals in October 2026
The roundup details acquisitions including Absolute Security acquiring FirmGuard and Proofpoint acquiring Varonis.
3 min readm-and-a
1Stories per day · 30 days
2 RSS
Relatedacquisition1ai-agents1cloud-security1cnapp1datadog1data-security1funding1ipo1proofpoint1upwind1varonis1
4 stories, newest first · one card per story
Stories tagged #m-and-a
Upwind Security raises $400 million Series C at $3.8 billion valuation
The round comes nine months after a $250 million raise and follows disputed reports that Datadog offered nearly $4 billion to acquire the startup.
Proofpoint CEO Sumit Dhawan On ‘Market-Changing’ $6.3B Varonis Deal, IPO Goal
Proofpoint plans a $6.3 billion Varonis acquisition to combine data security for AI-agent risk.
2
Large Enterprises Targeted in Fake Merger & Acquisition Scams
'Phantom Deal' campaign uses detailed research on large enterprises to trick midlevel employees into initiating large fraudulent merger-related financial transfers.