Proofpoint Acquires Israeli Cyber Firm Varonis for $6.3 Billion

American cybersecurity company Proofpoint has agreed to acquire Israeli firm Varonis in a cash deal valued at $6.3 billion. Varonis, which employs approximately 1,000 people in Israel and operates its development center there, specializes in protecting sensitive enterprise data. Its platform uses artificial intelligence to identify and classify data, monitor access permissions, reduce sensitive data exposure, and detect cyber threats.

The acquisition is expected to close in the first half of 2027, pending shareholder and regulatory approvals. Until then, both companies will continue to operate independently. Following the acquisition, Varonis will become a private company, and its shares will be delisted from the Nasdaq. Decisions regarding the impact on Varonis's Israeli workforce and whether the Varonis brand will continue have not yet been announced.

The deal reflects a broader trend in the cybersecurity industry, where major companies are investing in securing AI systems due to their increasing use by both organizations and attackers. Proofpoint, which primarily focuses on email, user, and enterprise communication security, aims to expand into enterprise data security by integrating Varonis's capabilities. This move will combine threat protection with control over sensitive data access.

This acquisition marks a significant expansion into cybersecurity for Thoma Bravo, which previously took Proofpoint private in a $12.3 billion deal five years ago. Thoma Bravo is considering a future return to public trading for Proofpoint, suggesting the Varonis acquisition could enhance its investor appeal. The deal also joins a wave of consolidations in the global cybersecurity sector, as larger companies seek to offer integrated security solutions to enterprise clients.