Industry-Leading Email Protection
Keep your critical business email safe from spam, malware, and other threats. Our industry-leading solution gives you faster, more complete email protection to stop email-based threats and provide continuous protection before, during, and after an attack.
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Features and Capabilities
The Email Security Appliance is the industry's first proven zero-hour antivirus solution. It offers a best-in-class capability to control and encrypt sensitive outbound email. At the same time, its layered defense, built into a single appliance, quickly blocks incoming attacks.
- Contextual analysis against phishing and snowshoe spam attacks
- A superior spam-capture rate (more than 99 percent) with few false positives (less than one in one million)
- File reputation, dynamic analysis (sandboxing), and retrospective security with Cisco AMP Threat Grid
- Graymail management and web interaction tracking
Easy Installation and Management
The appliance requires little ongoing administration, with a low network impact. Our global security support centers provide 24-hour support and have won 10 awards for service from J.D. Power and Associates.
Our commitment to email security can be seen in our innovative offerings. You have a choice of on-premises, cloud, hybrid, and virtual deployments.
Real-Time Threat Intelligence
The Email Security Appliance is powered by the Cisco Talos Security Intelligence and Research Group. The Talos threat intelligence detects, analyzes, and protects against both known and emerging threats. It accomplishes this by aggregating and analyzing Cisco's extensive telemetry data including:
- Billions of web requests and emails
- Millions of malware samples
- Open-source data sets
- Millions of network intrusions
Talos offers a holistic understanding of threats, their root causes, and scopes of outbreaks. Cisco Email Security products are dynamically updated with this information every 3 to 5 minutes, giving you superior email protection.
Specifications at a Glance
|Large enterprise||Cisco ESA C680||High-performance, comprehensive security at the network gateway for service providers and large-scale enterprise email systems.|
|Midsize enterprise||Cisco ESA C380||Built on the latest generation of appliance hardware.|
|Small to midsize businesses or branch offices||Cisco ESA C170||Cost-effective email security designed for small businesses, branch offices, and organizations with fewer than 2000 users.*|
*For accurate sizing, verify your choice by checking the peak mail flow rates and average message size with a Cisco content security specialist.
Learn How You Can Be Protected
See what problems the Email Security Appliance solves, and how it solves them. (PDF - 579 KB)View Infographic
Product Launch Announcement
Manage graymail, track clicks on malicious URLs, and more with AsyncOS 9.5. (6:27 min)Watch Video
Positioned as a Leader
2015 Gartner Magic Quadrant for Secure Email GatewaysView Analysis