Proofpoint to Buy Varonis for $6.3 Billion
The combined company will expand data-security offerings and reach more customers, with Proofpoint calling the deal a major step in its platform strategy.
- On Thursday, cybersecurity firm Proofpoint agreed to acquire Varonis Systems in an all-cash transaction valued at approximately $6.3 billion, combining two companies focused on data protection in the artificial intelligence era.
- Proofpoint CEO Sumit Dhawan wrote Wednesday that AI is changing the security equation on two fronts: external attackers using AI for advanced campaigns, and internal risks from AI agents with broad data access.
- Varonis specializes in mapping sensitive information and controlling access, while Proofpoint protects perimeters by blocking phishing and fraud; combined, they aim to remediate risks at machine speed.
- The acquisition, approved unanimously by the Varonis board, is expected to close in the first half of 2027. Varonis CEO Yaki Faitelson said joining Proofpoint advances the mission to "secure AI and the data that powers it."
- Proofpoint, owned by private equity firm Thoma Bravo, continues expanding its portfolio following the acquisition of Hornetsecurity, a German provider of Microsoft 365 security services, in a deal worth more than $1 billion.
22 Articles
22 Articles
CyberScoop
Proofpoint to buy Varonis for $6.3 billion
The deal pairs the email security giant's massive threat intelligence with Varonis' visibility into corporate data, as both companies race to secure the AI agents now roaming enterprise networks.
Proofpoint to buy Varonis Systems in $6.3 billion all-cash deal
Oct 15 (Reuters) - Cybersecurity company Proofpoint, owned by private equity firm Thoma Bravo, will buy data security firm Varonis Systemsin all-cash deal valued at about $6.3 billion, the companies said on Thursday. (Reporting by Ja...
Proofpoint to Acquire Varonis in a $6.3 Billion Transaction
MIAMI and SUNNYVALE, Calif., Oct. 15, 2026 (GLOBE NEWSWIRE) -- Varonis Systems, Inc. (Nasdaq: VRNS) (“Varonis”), the data and AI security leader, and Proofpoint, Inc. (“Proofpoint”), a global leader in human and agent cybersecurity, today announced entrance into a definitive…
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