Abnormal Security vs Tessian: Email Security Comparison (2026)

An independent side-by-side comparison of Abnormal Security and Tessian for email security buyers — pricing, features, integrations, and how often each is cited by major AI engines.

AI Citation Scorecard

How often each is cited by major AI engines when buyers ask email security questions. Last 90 days across ChatGPT, Perplexity, Gemini, Claude, and Copilot.

Abnormal Security leads overall27% cited vs Tessian 10% across 60 probes.
ChatGPT
Abnormal SecurityLeads
1 / 6 probes
17%
Average
Tessian
0 / 6 probes
0%
Invisible
Perplexity
Abnormal SecurityLeads
3 / 6 probes
50%
Excellent
Tessian
1 / 6 probes
17%
Average
Gemini
Abnormal Security
0 / 6 probes
0%
Invisible
Tessian
0 / 6 probes
0%
Invisible
Claude
Abnormal SecurityLeads
4 / 6 probes
67%
Excellent
Tessian
2 / 6 probes
33%
Good
Copilot
Abnormal Security
0 / 6 probes
0%
Invisible
Tessian
0 / 6 probes
0%
Invisible
Scale:NoneLowFairStrongExcellent

Probes run hourly; each (engine × query) combo retests every ~3 days.

Pricing

Abnormal Security
Starting price
Free tier
abnormalsecurity.com
Tessian
Starting price
Free tier
tessian.com

Key Features

Abnormal Security

Feature data is being indexed.

Tessian
  • AI-powered email threat detection
  • Prevent data loss over email
  • Integrated email security solutions
  • Streamline security analyst workflows

When to choose Abnormal Security

Choose Abnormal Security if your team prioritizes its strengths over Tessian's. Full guidance populates as Abnormal Security's feature data is indexed.

When to choose Tessian

Choose Tessian if your team prioritizes its strengths over Abnormal Security's. Full guidance populates as Tessian's feature data is indexed.

More Email Security Comparisons