Company profile
Tessian
Cloud Email Security that intelligently prevents advanced email threats and protects against data loss
- Industry
- Computer and Network Security
- Employees
- 40
- Headquarters
- Boston, Massachusetts
- Founded
- 2013
- LinkedIn followers
- 21,236
- Office locations
- 4
Tessian company summary
Tessian is a company in the Computer and Network Security industry, headquartered in Boston, Massachusetts, founded in 2013. On LinkedIn the company has around 40 employees and 21,236 followers. Warmrank detected 35 technologies across 16 categories on tessian.com, including Adobe, Amazon SES, Amazon Web Services. The company lists 4 office locations. Its listed specialties include Cyber Security, Data Loss Prevention, Information Security, Machine Learning, Artificial Intelligence.
What technology does Tessian use?
Warmrank detected 35 technologies on tessian.com, last checked July 2026. Click any tool to see other companies that use it.
DocuSign
Open Graph
Popper
Imperva
hCaptcha
reCAPTCHA
Microsoft Advertising
Reddit Ads
Google Analytics
Linkedin Insight Tag
VWO
Anthropic
Cursor
Fastly
jsDelivr
Amazon Web Services
Platform.shShow 10 more technologiesShow fewer technologies
Apple iCloud Mail
Microsoft 365Containers
DockerCookie compliance
OneTrust
Amazon SESGeolocation
MaxMindLive chat
QualifiedMarketing automation
MarketoSSL/TLS certificate authorities
SectigoTag managers
Google Tag ManagerAbout Tessian
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/
Specialties
Where is Tessian located?
Tessian lists 4 office locations.
Compare companies similar to Tessian
More companies in Computer and Network Security.
| Company | Industry | Employees | Founded | Headquarters |
|---|---|---|---|---|
Tessian tessian.com | Computer and Network Security | 40 | 2013 | Boston, Massachusetts |
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Cloudflare cloudflare.com | Computer and Network Security | 8,348 | 2009 | San Francisco, California |
Check Point Software checkpoint.com | Computer and Network Security | 8,568 | 1993 | Redwood City, California |
 TrendAI trendmicro.com | Computer and Network Security | 8,060 | - | Tokyo, Japan |
 HackerOne hackerone.com | Computer and Network Security | 7,020 | 2012 | San Francisco, California |
| Computer and Network Security | 345 | 2004 | Chalandri, Athens | |
 HackerSploit youtube.com | Computer and Network Security | 13 | 2017 | Nairobi, Nairobi Area |
 Tufin tufin.com | Computer and Network Security | 510 | 2005 | Boston, Massachusetts |
 Thales Cybersecurity Services – Spain/Portugal thalesgroup.com | Computer and Network Security | 316 | 2000 | Madrid, Comunidad de Madrid |
 Bell Cyber bell.ca | Computer and Network Security | 109 | 2013 | Mississauga, Ontario |
Frequently asked questions about Tessian
What does Tessian do?
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/
What technology does Tessian use?
Warmrank detected 35 technologies on tessian.com, including Adobe, Amazon SES, Amazon Web Services, Anthropic, Apple iCloud Mail, Atlassian, Cursor, Docker.
How many employees does Tessian have?
Tessian has around 40 employees on LinkedIn.
Where is Tessian headquartered?
Tessian is headquartered in Boston, Massachusetts.
Where does Tessian have offices?
Tessian lists 4 office locations, including Boston, Massachusetts, US; Austin, Texas, US; London, England EC2A 2DT, GB; San Francisco, California, US.
When was Tessian founded?
Tessian was founded in 2013.
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