Proofpoint Buys Varonis for $6.3B

Proofpoint acquires data security firm Varonis for $6.3 billion in cash, expanding its AI-driven enterprise security platform.

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Oct 15, 2026

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Proofpoint Buys Varonis for $6.3B

Proofpoint acquires data security firm Varonis for $6.3 billion in cash, expanding its AI-driven enterprise security platform.

In brief

Proofpoint acquires data security firm Varonis for $6.3 billion in cash, expanding its AI-driven enterprise security platform. Proofpoint agreed to buy Varonis Systems Inc. for $6.3 billion in cash to integrate data mapping and access controls with its existing security products. Originally reported by SiliconANGLE.

Proofpoint Agrees to Buy Varonis

Proofpoint Inc. agreed to purchase data security company Varonis Systems Inc. for $6.3 billion in cash.

Deal Details

The transaction includes a 52% premium over Varonis’s pre-reporting stock price of $49.75 per share.

Company Background

Varonis was co-founded in 2005 by CEO Yaki Faitelson and Ohad Korkus, specializing in AI-driven data access controls.

Acquisition Context

Proofpoint has made several acquisitions since Thoma Bravo took it private for $12.3 billion in 2021.

Integration Plan

The combined company will serve over 16,000 enterprises and integrate products and sales teams quickly post-close.

Shareholder Approval

Varonis’s board approved the deal unanimously, with closing expected in early 2027 after regulatory and shareholder sign-off.

The short version

Proofpoint agreed to buy Varonis Systems Inc. for $6.3 billion in cash to integrate data mapping and access controls with its existing security products.

Read the original on SiliconANGLE

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