The Newsroom
Deals·October 19, 2026 at 11:46 AM EDT·1 source

Proofpoint's $6.3 Billion Cybersecurity Bet

acquisition, log scale$6.3B
$100M$1B$10B$100B

What happened

  • Thoma Bravo-backed Proofpoint agreed to buy Varonis in a deal valued at about $6.3 billion.
  • The combination would bring together email, collaboration and data security capabilities as AI agents and customer demand drive industry consolidation.
Deal value
about $6.3 billion

Why it matters

The transaction is a significant cybersecurity consolidation involving a private-equity-backed buyer and expands Proofpoint’s security platform. It is relevant to technology M&A and sponsors professionals tracking sector consolidation.

Deal terms

acquisition
Proofpoint → Varonis
Value
$6.3B
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Who is involved

acquiringProofpoint's $6.3 Billion Cybersecurity BetVaronistargetProofpointbuyerThoma BravoSeth Boro
CompanyInvestorPersonThe deal

Sources (1)

  1. BloombergOct 19
    Proofpoint's $6.3 Billion Cybersecurity Bet
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