Abnormal Security vs Cisco Secure Email Threat Defense
Side-by-side from the Top 11 ranking of Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026. Last verified July 4, 2026.
The short answer
Abnormal Security ranks higher on Top 11 (#1 vs #6) for IT and security leaders. Behavioral AI that stops BEC gateways miss, API-deployed in under an hour.
At a glance
| Abnormal Security | Cisco Secure Email Threat Defense | |
|---|---|---|
| Top 11 rank | #1 / Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026 | #6 / Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026 |
| Score (out of 9.4) | 9.2 | 8.5 |
| Best for | Best overall for BEC and account takeover | Best for existing Cisco security shops |
| Pricing | $$$ (custom, per-mailbox enterprise pricing) | $$$ (custom, per-user enterprise pricing) |
| HQ | San Francisco, USA | San Jose, USA |
| Founded | 2018 | 1984 |
Abnormal Security
Behavioral AI that stops BEC gateways miss, API-deployed in under an hour.
abnormalsecurity.comSee full entry in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026
Cisco Secure Email Threat Defense
Talos-backed detection wired into the Cisco stack.
www.cisco.com/site/us/en/products/security/secure-email/index.htmlSee full entry in Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.