Email Security
Stops phishing, business email compromise, ransomware, spam, and enhances Office 365 email security. It just works.
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New capabilities to protect your users and brand
With our two new services, you can easily protect your company’s domain against impersonators and can block phishing emails from reaching your users. These new services enhance Cisco Email Security and provide additional layers of threat 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
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
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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.
Resources
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Support
Cisco Cloud Email Security
Cisco Email Security Appliance
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