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Cisco Email Security: Comprehensive Defense

Cisco Email Security provides the best protection for your email against cyber threats.

Introducing Cisco Cloud Mailbox Defense: protection for Office 365

Cloud Mailbox Defense features (PDF)

Stop threats, increase visibility, reduce administrative overhead, and empower incident responders with Cloud Mailbox Defense.

Gartner on the security landscape (PDF)

Where does Cloud Mailbox Defense fit within the Cisco Email Security portfolio?

Rethinking email security

Industry shifts to cloud email platforms have changed the way organizations address email security.

It's an integrated solution for Microsoft 365 with easy attack remediation, superior visibility, and Talos threat intelligence.

Layered defenses for comprehensive protection

Email threats continue to present security challenges for all organizations. Cisco Email Security is your best defense against phishing, business email compromise (BEC), malware, and ransomware. Cisco Advanced Malware Protection protects against stealthy malware in attachments, and industry-leading threat intelligence combats malicious links.  Cisco Advanced Phishing Protection, Cisco Domain Protection for DMARC authentication and brand protection, multi-factor authentication with Cisco Duo, and the right training for your employees with Cisco Security Awareness provide the comprehensive, layered protection to keep your email platform secure.

Cisco Email Security has robust data loss prevention and content encryption capabilities to safeguard sensitive information and protect outgoing email. This helps you comply with government and industry regulations and keeps your data safe.

Integration into SecureX provides enhanced visibility and automation across the entire Cisco Security product suite, providing the protections that help ensure your business functions securely.

Features and benefits

Beyond point-in-time detection (PDF)

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

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

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.

Introducing Cisco Security Awareness

Cyber criminals know that employees can be exploited. Cisco Security Awareness educates users to work smarter and safer, strengthening your security approach.

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.

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

What's new with Email Security? Learn about new features, product integrations, and more.

New innovations in security appliances

Cisco Email Security Appliance (PDF)

Protect against advanced phishing attacks, email compromise, and more with our Email Security Appliance for cloud, hybrid, or on-premises.

Cisco Web Security Appliance (PDF)

Secure and control your web traffic with our Web Security Appliance. Learn about our popular "set it and forget it" advantage.

Cisco Security Management Appliance (PDF)

Leverage the power of integration and simplify the planning and administration of email and web security with our Security Management Appliance.

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.

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.

The NHS needed an integrated cybersecurity approach. Cisco AMP and Email Security provided the health check for their security architecture.

United Solutions uses Cisco Secure Email so it can focus on helping customers grow without worrying about exposure to phishing events.

In their struggle against malware and malicious links, this nonprofit turned to Cisco Email Security and AMP to protect users.

This Scottish partner needed a solution to protect customers from phishing and email attacks. It chose Cisco to protect itself and its clients.

You may also be interested in …

Advanced Malware Protection

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

Preventing phishing attacks (PDF)

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.

Banking on better email security (PDF)

Learn how a community bank blocks millions of malicious messages using Cisco Email Security.

Featured third-party reports and recognition

ESG e-book on changes in email security

Organizations are standardizing on cloud-delivered email--and assuming that providers will include comprehensive security controls.

2019 Market Quadrant – Secure Email Gateway

See why Cisco Email Security was recognized by Radicati Group as a Top Player and Leader in Secure Email Gateway.

2019 Frost & Sullivan Award (PDF)

Cisco has earned Frost & Sullivan's 2019 Enabling Technology Leadership Award in Email Security.


The Security Choice Enterprise Agreement has never been so flexible. It's easy to manage to help you respond faster to security challenges.


Cisco Cloud Secure Email

Cisco Email Security Appliance

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.