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Tessian provides AI-powered email security that prevents accidental data loss, phishing attacks, and misdirected emails by understanding human communication patterns.

Pricing

Custom quote

Founded

2013

Team size

201-500 employees

Headquarters

London, United Kingdom

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About Tessian

Tessian (now part of Proofpoint as Adaptive Email Security) is an AI-based email security platform that detects and prevents advanced email threats and data loss. It uses behavioral machine learning to catch spear-phishing, business email compromise, misdirected emails, and accidental or malicious data exfiltration. It targets enterprises that want to protect their people from email-borne risk beyond traditional secure email gateways.

Buyer Fit & Positioning

Procurement & Fit

Structured facts from the vendor to help your security, finance, and procurement reviews move faster.

Trust

Security & compliance

The vendor hasn’t added security or compliance details yet.

Pricing

Commercial model

Pricing model: Custom quote

Free trial: No

Free plan: No

Contract minimum: Not specified

Procurement

Purchasing & legal

The vendor hasn’t added purchasing & legal details yet.

Fit

Best-fit company size

Company-size fit has not been specified yet.

Implementation & Procurement

Commercial Fit & Ecosystem

Proof, Outcomes & Momentum

Alternatives, Migration & Buyer Objections