Tessian
Tessian — Email data loss prevention platform using ML to detect misdirected emails and accidental data leakage.
Our Verdict
Clever accidental-leakage detection, but post-Proofpoint acquisition the independent product story is fading.
Pros
- ML-driven misdirected-email detection is differentiated
- Strong DLP signal beyond traditional keyword rules
- Educational user prompts reduce repeat mistakes
- Good reporting for regulated industry DLP audits
Cons
- Acquired by Proofpoint, product roadmap uncertain
- Historically expensive per-user pricing
- ML baselines take time to tune effectively
- Overlap with newer email security incumbents
Best for: Regulated firms (legal, finance) worried about outbound email DLP and misdirection.
Not for: Buyers wanting a long-term independent vendor or those focused on inbound phishing primarily.
When to Use Tessian
Good fit if you need
- Misdirected email prevention via ML recipient anomaly detection
- Data exfiltration detection for departing employee DLP
- PHI and PII accidental disclosure prevention in email
- Sensitive attachment blocking for HIPAA email compliance
- Insider threat detection via email behavioral analysis
Lock-in Assessment
High 2/5
Lock-in Score 2/5
Pricing
Price wrong?Tessian Pricing
- Pricing Model
- custom
- Free Tier
- No
- Entry Price
- —
- Enterprise Available
- No
- Transparency Score
- —
Beta — estimates may differ from actual pricing
1,000
1001K10K100K1M
Estimated Monthly Cost
$25
Estimated Annual Cost
$300
Estimates are approximate and may not reflect current pricing. Always check the official pricing page.
Community Discussion
Comments powered by Giscus (GitHub Discussions). You need a GitHub account to comment.