Cisco Email Security


Protect against advanced email threats

Cisco Email Security protects against ransomware, business email compromise, spoofing, and phishing. It uses advanced threat intelligence and a multilayered approach to protect inbound messages and sensitive outbound data. 

Features and benefits


Combat the most advanced malware

Defend your business against ransomware, phishing, and other sophisticated attacks with Advanced Malware Protection.


Move to the cloud with confidence

Reduce your onsite data center footprint, maintain advanced threat protection, and protect against rapidly changing email threats. Watch video (2:39 min).


Get unmatched threat intelligence

Cisco's Talos, the largest threat intelligence team in the world, dynamically updates Cisco Email Security solutions every 3 to 5 minutes.


Reduce exposure against the latest threats

Protect your business from inbound threats and control and encrypt sensitive outbound email. Read brochure


Achieve agility and optimize your resources

Reduce investigation and response times with real-time information, and keep consistent policies on premises and in the cloud. Watch 5-Min Demo

How to deploy

Our consumption options give you flexibility and feature parity in the cloud, on premises, or both. Change the number of cloud versus on-premises users at any time. Talk with a Cisco salesperson or partner to choose what works best for you.

Choose from 4 deployment options


Lower your costs with co-management and no onsite infrastructure. We host a virtual appliance in two data centers for redundancy. Subscriptions start at 100 users. (PDF - 1.3 MB)


Migrate to the cloud in phases with a cloud and on-premises deployment. Change the number of cloud versus on-premises users at any time. (PDF - 253 KB)


A software version of the appliance runs on a VMware ESXi hypervisor and Cisco UCS servers. Buy a bundle and get an unlimited license for the virtual machine. (PDF - 489 KB)


Our Email Security Appliance comes in multiple versions to fit different-size organizations. The new x90 Series models give you up to twice the performance of previous generations.

Other considerations


Number of users

With Cisco Email Security there’s no limit to the number of users you can protect.


Bundles and features

Protect your incoming email only, outgoing email, or both. Choose AMP or other features. 

Grow securely in the cloud

Security with great service

Security with great service

Avoid downtime with a dedicated cloud infrastructure, IP addresses, storage, and a 99.999% uptime guarantee.

Capacity assurance

Capacity assurance

Continuously monitor customer volumes and systems health. Maintain peak performance regardless of spam volume.

Scale data capacity

Scale data capacity

Increase dedicated instances up to 50 percent of the original environment. Choose from multiple data centers worldwide.

Optimize your security resources

Optimize your resource

Give administrators the ability to easily make changes, access reports, and reduce response times with real-time information.


No one's better at blocking spam

Opus One conducts a yearlong test and finds Cisco Email Security the leader in spam efficacy. (PDF - 349 KB)

See test results

Defend against advanced email threats

Get a comprehensive view with this Cisco Email Security overview.


Add-on software


Advanced Malware Protection

Defend your business against ransomware and the most advanced malware. AMP for Email Security adds advanced threat capabilities.


Data loss prevention

Protect outbound email. Keep intellectual property, financial information, and other confidential and sensitive files safer.


Cisco Registered Envelope Service

Keep your email highly secure and confidential. Encrypt outgoing messages with cloud-based key storage encryption.

Featured technology


ZixGateway with Cisco Technology

Meet compliance requirements and send encrypted email to anyone, anywhere with on-premises key storage encryption.

CoxHealth Protects Against Latest Email Threats

CoxHealth Protects Against Latest Email Threats

"Since we implemented Cisco Cloud Email Security, we have not had a single malware incident."

Ivan Curtis, System Administrator, CoxHealth .
See more case studies

News and events


Cisco solution is top player

The Radicati Secure Email Gateway Market Quadrant 2016 says so. (PDF - 525 KB)


Keep up to date

Protect against the latest threats. See what's new with Cisco Email Security.


Enhance email protection

Opus One finds Office 365 customers lack enterprise-level protection. (PDF - 558 KB)


Cisco Cloud Email Security

Cisco Email Security Appliance

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