Bitdefender GravityZone Extended Email Security vs Cisco Secure Email Threat Defense: side-by-side comparison (2026)

Bitdefender GravityZone Extended Email Security: Cloud-native email security platform with SEG and API-based protection. Built by Bitdefender.

Cisco Secure Email Threat Defense: Email threat protection for Microsoft 365 with advanced detection capabilities. Built by Cisco.

The table above shows where their features, integrations, deployment and company size fit differ.

Bitdefender GravityZone Extended Email Security is made by Bitdefender. Cisco Secure Email Threat Defense is made by Cisco. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Bitdefender GravityZone Extended Email Security and Cisco Secure Email Threat Defense are both Email Security Platforms products, and both cover Microsoft 365. Use the table above to see where features, deployment and company size fit differ.