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Tessian was acquired by Proofpoint. View the press release: https://www.proofpoint.com/us/newsroom/press-releases/proofpoint-closes-acquisition-tessian. To see what’s new, visit https://www.linkedin.com/company/proofpoint/. Tessian is a leading cloud email security platform that intelligently protects organizations against advanced threats and data loss on email, while coaching people about security threats in-the-moment. Using machine learning and behavioral data science, Tessian automatically stops threats that evade legacy Secure Email Gateways, including advanced phishing attacks, business email compromise, accidental data loss and insider threats. Tessian’s intelligent approach not only strengthens email security but also builds smarter security cultures in the modern enterprise. Founded in 2013, Tessian is backed by legendary investors such as March Capital, Sequoia, Accel and Balderton, and has been recognized as one of Fast Company’s Most Innovative Companies for 2022. Request a demo here: https://www.tessian.com/book-demo/

View Top Employees from Tessian
Website https://www.tessian.com/
Revenue $9.8 million
Funding $2.7 million
Employees 248 (248 on RocketReach)
Founded 2013
Phone +44 20 8133 5912
Technologies
Industry Artificial Intelligence, Cyber Security, Computer and Network Security, Network Security Hardware & Software, Computer Equipment & Peripherals, Data and Analytics, Machine Learning, Data Loss Prevention, Manufacturing, Science and Engineering, Information Security, Software, Information Technology, Privacy and Security, Email, Internet Services, Messaging and Telecommunications, Professional Services
Competitors Cisco Systems France, Covertix, McAfee, Proofpoint Essentials
SIC SIC Code 357 Companies, SIC Code 35 Companies
NAICS NAICS Code 33 Companies

Tessian Questions

The Tessian annual revenue was $9.8 million in 2024.

Kelly Sheridan is the Chief People Officer of Tessian.

248 people are employed at Tessian.

The NAICS codes for Tessian are [33].

The SIC codes for Tessian are [357, 35].

Top Tessian Employees

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