- Fast blocking of email transported viruses
- Best-in-class at stopping or encrypting sensitive outbound email
- A superior spam capture rate and few false positives
- The industry's only proven zero-hour antivirus solution
- Easy installation and management
- Low network impact
- Minimal ongoing administration
The Cisco Email Security Appliance (ESA) is powered by Cisco Security Intelligence Operations (SIO), this industry-leading threat intelligence organization.
Cisco SIO detects and correlates threats in real time using the largest threat detection network in the world. It monitors 100 TB of daily security intelligence, 1.6 million deployed security devices, 13 billion daily web requests, and 35 percent of worldwide email traffic.