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Cisco Secure Email Cloud Mailbox

Email attacks cost organizations billions every year. It’s time to upgrade your security.

Secure Office 365 email against advanced threats

Moving email to the cloud provides convenience and scalability, but it could also bring an increased risk of account takeovers and malware infection. You need a cloud-focused email security solution that is simple to deploy and protects your business and users by preventing attacks against your cloud mailboxes.

Named one of 10 hottest new cloud security tools by CRN

Cisco Secure Email Cloud Mailbox was listed by CRN as one of the 10 top cloud security products to hit the market in 2020. Check it out.

A valuable addition to email security at any size company

Companies with little or no IT staff choose Cloud Mailbox because it is simple to deploy, easy to use, and is proven to block advanced threats that Microsoft 365's native security fails to detect.

​Enterprise IT teams add Cloud Mailbox to their email security stack because it provides a cost-effective add-on tool to identify and remediate email threats quickly and easily. 

Feature comparison of Cisco email products

Simple, powerful cloud email security


Cloud Mailbox is fully integrated into Office 365 for complete visibility into inbound, outbound, and internal messages. It addresses gaps in Office 365 email security by detecting and blocking advanced email threats with superior threat intelligence.


There are no required changes to mail flow or added administrative overhead of altering Mail Exchanger (MX) records. Configuration is minimal and can be fully completed in less than five minutes.


Cloud Mailbox is built on top of modern, open APIs to allow flexible integration into your organization's existing email, security, and incident response operations. Augment native Microsoft 365 security with the superior threat intelligence from Cisco Talos, the industry-leading threat intelligence organization.

Take command of your Microsoft 365 mailboxes

Supplement your mail security and gain unprecedented visibility without altering your mail flow or spending time on in-depth technical training. Cloud Mailbox can see all your mail, internal and external, without requiring changes to your MX records or interrupting the regular delivery of messages.

Experience Cisco Secure Email Cloud Mailbox

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This 2-minute overview highlights new features and capabilities for securing Microsoft 365 email.

Protect every email and inbox in your small business

43% of all cyberattacks target small businesses. Learn how to protect your cloud email.

How to secure Microsoft 365 Email against advanced threats

This threat brief reveals why Microsoft 365 is a prime target for hackers, what the top five email threats are, and how you can minimize your risks.