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/
| Website | https://www.tessian.com/ |
| Revenue | $46.6 million |
| Funding | $2.7 million |
| Employees | 43 (43 on RocketReach) |
| Founded | 2013 |
| Phone | +44 20 8133 5912 |
| Technologies |
JavaScript
,
HTML
,
PHP
+70 more
(view full list)
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| 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 |
| Keywords | Email Security, Data Loss Prevention, Cybersecurity, Email Threat Protection, Insider Threat, Data Protection, Information Security, Email Fraud Prevention, Phishing Prevention, Machine Learning Security, Artificial Intelligence Security, Cloud Security, Email Authentication, Threat Intelligence, Risk Management, Cyber Risk, Endpoint Security, Security Awareness Training, Compliance |
| Competitors | Microsoft, Broadcom, Netskope, BlackBerry, KnowBe4, Proofpoint, 博威特网络技术(上海)有限公司, CyberLink, Mimecast +48 more (view full list) |
| SIC | SIC Code 357 Companies, SIC Code 35 Companies |
| NAICS | NAICS Code 33 Companies |
Looking for a particular Tessian employee's phone or email?
Tessian Questions
The Tessian annual revenue was $46.6 million in 2026.
Daniel Kim is the CFO of Tessian.
43 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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Daniel Kim
Chief Financial Officer at Tessian
Baltimore, MD, US45+ -
Jenni Avdic
Executive Assistant to Chief Executive Officer at Tessian
San Francisco, CA, US22 -
22
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Rupert Taylor
Senior Engineer and Team Lead at Tessian
England, United Kingdom1 -
Harlee Clark
Sales Executive at Tessian
England, United Kingdom21 -
12
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