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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

Are you getting the protection you expect from your cloud email platform? Cisco Cloud Mailbox Defense stops threats before they reach the user. 

Layered defenses for comprehensive protection

Email threats present security challenges for all organizations. Cisco Email Security is your best defense against phishing, business email compromise (BEC), malware, and ransomware. It protects against stealthy malware in attachments, and industry-leading threat intelligence combats malicious links. We also offer capabilities for phishing defense, DMARC authentication and brand protection, and multi-factor authentication with Cisco Duo. Employee training is more important than ever and Cisco Secure Awareness can provide the right resources for your employees.

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 Microsoft 365 are better together.

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 Email Security Phishing Defense

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

Cisco Email Security Domain Protection

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 the Cisco Email Security Appliance for cloud, hybrid, or on-premises.

Cisco Web Secure Appliance (PDF)

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

Cisco Email Security and Web Manager (PDF)

Leverage the power of integration and simplify the planning and administration of email and web security with the Cisco Email Security and Web Manager (formerly Security Management Appliance).

Your help center for Microsoft 365

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

Vulnerability snapshot (PDF)

View our infographic and see why Microsoft 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 Email Security and AMP provided the health check for their security architecture.

United Solutions uses Cisco Email Security 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. Cisco Email Security Malware Defense 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 Email Security Encryption 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 – Email Security Gateway

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

2019 Frost & Sullivan Award (PDF)

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

Forrester Now Tech on email security

Read the Q3 Forrester report to learn about the number one attack vector and how to choose the best enterprise email security tool.


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.