Material Security vs Perimeter 81: Email Security Comparison (2026)
An independent side-by-side comparison of Material Security and Perimeter 81 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.
Too early to call — probes still building data.
ChatGPT
Material Security
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Perplexity
Material Security
0 / 7 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Gemini
Material Security
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Claude
Material Security
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Copilot
Material Security
0 / 6 probes
0%
InvisiblePerimeter 81
Tracking…
No data yet
Scale:NoneLowFairStrongExcellent
Probes run hourly; each (engine × query) combo retests every ~3 days.
Pricing
Key Features
Material Security
- ✓Identity-based threat detection
- ✓Posture management
- ✓Zero hours spent on detection rules
- ✓Detect and monitor sensitive content
Perimeter 81
Feature data is being indexed.
When to choose Material Security
Choose Material Security if your team prioritizes its strengths over Perimeter 81's. Full guidance populates as Material Security's feature data is indexed.
When to choose Perimeter 81
Choose Perimeter 81 if your team prioritizes its strengths over Material Security's. Full guidance populates as Perimeter 81's feature data is indexed.