Tessian alternatives (2026)
These are the email security brands AI engines name when buyers ask. Ranked by how often ChatGPT, Claude, Gemini, Perplexity and Copilot actually cite them over the last 90 days — not by reviews or paid placement. For reference, Tessian is named in 9.7% of the 31 answers we checked.
Named instead of Tessian
On the questions Tessian loses, these are the sites engines cite in its place.
- proofpoint.com ×12
- mimecast.com ×3
- cisco.com ×3
- sublime.security ×2
- abnormalsecurity.com ×2
- gartner.com ×2
Top Tessian alternatives by AI citation share
AI-powered platform for cybersecurity · Protects email, data, and applications · Comprehensive threat detection and response · Secures and optimizes network infrastructure
AI-Powered Phishing Detection · Adaptive AI Autonomous Remediation · Comprehensive Email Security · Unlimited Phishing Simulation Testing
AI-driven campaign detection · Human-validated threat intelligence · Automatic quarantine of threats · Improves SOC efficiency
Adaptive Cyber & Email Security · Anti-Phishing & Spear Phishing · Anti-Malware & Ransomware · Real-time protection against phishing
AI and threat intelligence integration · Automated email threat response · DMARC policy management · Spam and phishing protection
AI-powered threat prevention · Data loss prevention · Full security wherever you work · Your company, your enforcement policy
Block threats and prevent data leaks · Coaches users to make smart decisions · Supports multiple email platforms · Inbound/Outbound/Internal mail protection
How this list is built
We put the buyer questions people actually ask in email security to five AI engines on a recurring schedule and record which brands get named. The ranking above is the share of those answers naming each brand over the last 90 days. No paid placement, no review scores.