Cisco Secure Email Threat Defense vs Sophos Email

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

Cisco Secure Email Threat Defense ranks higher on Top 11 (#6 vs #9) for IT and security leaders. Talos-backed detection wired into the Cisco stack.

At a glance

Cisco Secure Email Threat DefenseSophos Email
Top 11 rank#6 / Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026#9 / Abnormal Security vs Proofpoint vs Mimecast: 11 Best Email Security Software 2026
Score (out of 9.4)8.58.2
Best forBest for existing Cisco security shopsBest for Sophos Central customers
Pricing$$$ (custom, per-user enterprise pricing)$$ (roughly $3 to $6 per user per month)
HQSan Jose, USAAbingdon, UK
Founded19841985

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.