Email Security

Stops phishing, business email compromise, ransomware, and spam, and enhances Office 365 email security. It just works.

Read latest 12.0 blog

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Advanced email security protection

Attackers rely primarily on email to distribute spam, malware, and other threats. To prevent breaches, you need a powerful email security solution.

Cisco Email Security is your defense against phishing, business email compromise, and ransomware. Get threat intelligence updates every three to five minutes through Cisco Talos for the most up-to-date protection.

Cisco Advanced Malware Protection protects against stealthy malware in attachments, and industry-leading URL intelligence combats malicious links. Cisco Email Security also enhances Office 365 email security.

Protecting outgoing email is important too. Cisco Email Security has robust data loss prevention and content encryption capabilities to safeguard sensitive information. This helps you comply with government and industry regulations.

New capabilities to protect your users and brand

Two new capabilities help block phishing emails from reaching your users and safeguard your company's domain. Gain additional layers of protection against business email compromise (BEC).

Cisco Advanced Phishing Protection (PDF)

Detect fraudulent senders with threat intelligence that adapts in real time to block BEC and advanced phishing attacks.

Cisco Domain Protection (PDF)

Prevent attackers from using your domain to carry out phishing campaigns.

Protect your users and brand from bad actors (Video - 10:27)

With our two new services, harness local threat intelligence to block fraudulent senders, and gain control over who uses your domain.

New ESA 12.0 release (PDF)

We are continuing to invest in Email Security. Learn about new features, like being able to add external threat feeds to your ESA.

Features and benefits

Protect users from email threats

See how our multilayer approach to security keeps attackers out of your users’ inboxes.

Watch new features (2:46)

Enhance email security for Office 365

Gain a robust layer of defense against ransomware, business email compromise, phishing, and more. See why Cisco Email Security and Office 365 are better together.

Watch video (2:14)

Beyond point-in-time detection

Protect against risky files, whenever they turn malicious, with Cisco Advanced Malware Protection for Email.

See how it works (PDF - 123 KB)

Get exceptional threat intelligence

Only Cisco can provide exceptional threat protection from Talos, one of the world’s largest threat intelligence teams. Updates flow automatically every three to five minutes.

Meet our threat researchers

Block advanced phishing attempts

Protect users from fraudulent senders with real-time threat intelligence.

Watch how it works (2:20)

Establish trust before granting email access

Verify users' identities with the world's easiest multifactor authentication to protect against phishing.

Learn about Duo and Cisco (2:12)

Your help center for Office 365

Migrating to the cloud gives you more flexibility, but it comes with security drawbacks. Use the resources below to learn the key features that your cloud email security approach should include.

Vulnerability snapshot (PDF)

View our infographic and see why Office 365 customers choose Cisco Email Security for an additional layer of security.

Buyer's guide (PDF)

Cut through the marketing mumbo jumbo. Learn the five product features you actually need.

Expert advice

Find out how you can better protect against ransomware, business email compromise, phishing, and more.

Office 365 case studies

Our customers love Cisco Email Security and the impact it has had on their businesses. Read their case studies to learn how they tackled phishing, ransomware, spam, and more.