Proofpoint to acquire Varonis for $6.3 billion
Proofpoint and Varonis announced a definitive acquisition agreement on October 15, 2026. Proofpoint, owned by Thoma Bravo, will acquire Varonis in an all-cash transaction valued at approximately $6.3 billion.

Key takeaways · 4
- 01
The all-cash offer values Varonis at approximately $6.3 billion, or $49.75 per share.
- 02
The companies expect to close in the first half of 2027, subject to shareholder and regulatory approvals.
- 03
Varonis customers’ account teams, support channels, contracts and solutions will not change immediately, according to Varonis.
- 04
Proofpoint says it has not yet made product decisions about the combination.
Price and deal terms
Proofpoint’s all-cash offer values Varonis at approximately $6.3 billion, with shareholders receiving $49.75 for each share.[1] The offer represents a 52% premium to Varonis’ June 22, 2026 closing price and is 17% above its September 1 closing price.[1] Proofpoint values Varonis at about 53 times its last-twelve-month free cash flow and 8.4 times its last-twelve-month revenue.[1] Varonis’ board unanimously approved the transaction.[1]
Closing and customer continuity
The companies expect the transaction to close in the first half of 2027, subject to customary conditions, including Varonis shareholder and regulatory approvals.[1] Until closing, Proofpoint and Varonis will remain separate and independent companies.[1] Varonis says the announcement will not immediately change customers’ account teams, account numbers, support channels, contracts or solutions.[2] After closing, Varonis common stock will stop trading on Nasdaq and the company will become private.[1]
Planned security platform
The companies say their planned platform will help organizations find and protect sensitive data, control access by people and AI, and stop data loss.[1] Proofpoint says it intends to connect communications, identities, permissions, data and AI to help customers identify and respond to risk.[1] It plans to integrate the companies’ capabilities, align their go-to-market efforts and accelerate delivery of the combined platform after closing.[1]
Scale and integration questions
Proofpoint says the combined company would serve more than 16,000 enterprises and millions of organizations globally.[1] Proofpoint also describes the combination as establishing the industry’s largest data and AI cybersecurity organization.[1] Forrester analysts said the companies have complementary strengths in data security but also compete in parts of the market.[5] They also said Proofpoint’s track record of integrating acquired technology has been uneven.[5] Reuters reported that Varonis shares had risen about 30% after media reports in June 2026 that the company was weighing a sale.[4]
The agreement signals a planned combination of data security and broader cybersecurity capabilities, with AI access among the stated concerns. For security and technology teams, the near-term task is to distinguish the companies’ stated direction from decisions that have not yet been made, while tracking approval and integration progress.
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18 October 2026
Proofpoint to acquire Varonis for $6.3 billion
Sources
- Proofpoint to Acquire Varonis in a $6.3 Billion Transaction | Proofpoint USproofpoint.com
- Varonis is joining Proofpointvaronis.com
- Proofpoint to acquire Varonis | Proofpoint USproofpoint.com
- Thoma Bravo's Proofpoint in talks to buy cybersecurity firm Varonis, source says | Reutersreuters.com
- Proofpoint + Varonis: The Platform Promise Meets The Integration Testforrester.com