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Email Security

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

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

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

Cisco Domain Protection

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

Protect your users and brand from bad actors

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

Features and benefits

Protect users from email threats

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

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.

Beyond point-in-time detection

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

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.

Discover DLP

Defend your sensitive data. Protect content sent via outgoing email with data loss prevention (DLP).

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

View our infographic and see why O365 customers choose Cisco Email Security for an additional layer of security. (PDF)

Buyer’s guide

Cut through the marketing mumbo-jumbo. Learn the 5 product features you actually need. (PDF)

Expert advice

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

Cisco named market leader

In the Secure Email Gateway Market, Cisco dominates as a “top player.”

Featured offers

Get a free 45-day trial

Take our solution for a test-drive with this exclusive offer.

Free health check

Our experts can help you get the most out of your investment in Cisco Email Security.

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.

Creating a secure digital campus

Our customers discovered Office 365 didn’t give them the email security they needed. 

Harness AMP and Talos to block email threats

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

Ivan Curtis, System Administrator, CoxHealth

Real customers get real results

Cisco Email Security reduced malware/cryptoware attacks to nearly zero. It enabled us to deploy DKIM signing with a few clicks and it helps our service desk to troubleshoot email issues with the easy-to-use message tracking.

Wouter Hindriks, Senior IT Architect, Missing Piece

You may also be interested in …

Safeguarding your data

Protect confidential information in transit. Keep intellectual property, financial information, and other sensitive data safer.

Advanced Malware Protection

Stop ransomware and malware. AMP for Email Security adds advanced threat capabilities and outbound protection.

Preventing business email compromise

Learn how to stop this $5.3 billion threat with our experts’ advice.

Protecting information in transit

Cisco Registered Envelope Service helps ensure important messages comply with industry standards and protect confidential data in outbound email.

Services for security

We offer advisory services, integration services, and managed services to help you build, staff, and maintain defense capabilities.

For partners

Are you a Cisco partner?  Log in to see additional resources.

Looking for a solution from a Cisco partner? Connect with our security technical alliance partners.