Proofpoint to acquire Varonis for $6.3B

Proofpoint, owned by private equity firm Thoma Bravo, will acquire Israeli information security firm Varonis Systems for about $6.3 billion in cash, or $49.75 per share, a 52% premium over the June 22 close. The deal is expected to close in the first half of 2027, reflecting rising corporate security spending amid cybercrime and AI-driven data theft.

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