Proofpoint is acquiring data and AI security firm Varonis for $6.3 billion in an all-cash deal. This is the biggest cybersecurity acquisition so far this year. Proofpoint and Varonis will function as separate and independent organizations till the deal is completed. After that Varonis will become a private organization.

Upon completion of the deal Proofpoint will integrate the 2 organization’s capabilities into a unified data and AI security platform. Proofpoint’s forte is cybersecurity for people and AI agents. The deal will enhance Proofpoint’s abilities in protecting enterprise data as well as AI agents. Proofpoint sells software that helps organizations defend against cyberattacks

Varonis co-founder and CEO Yaki Faitelson stated “Our mission is to secure AI and the data that powers it. By joining forces with Proofpoint, we can achieve this mission faster than ever.”

Varonis is an Israeli founded data and AI security company. The Israeli firm provides digital security services such as data classification on cloud storage systems as well as employee behavior tracking. The company was established in 2004 and has around 2,800 employees. The former was one of the earliest entities that utilized AI to detect cyber threats.

The deal is expected to conclude in the first half of 2027. The combined company’s goal is to serve over 16,000 enterprises and millions of organizations globally.

SOURCES:-

https://www.securityweek.com/proofpoint-inks-6-3-billion-all-cash-deal-to-acquire-varonis/

https://www.calcalistech.com/ctechnews/article/gzk6vlon8

https://www.reuters.com/legal/transactional/proofpoint-buy-varonis-systems-63-billion-all-cash-deal-2026-10-15/

https://www.timesofisrael.com/israeli-cybersecurity-firm-varonis-systems-to-be-bought-by-proofpoint-in-6-3-billion-deal/