Cisco Secure Email Cloud Mailbox

Get supplemental cloud email protection for Microsoft Office 365.

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.

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 organisation'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 organisation.

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

Request a 30-day free trial today. It only takes a few minutes to sign up.


Cisco is joined by Forrester analyst

Forrester joins us to discuss the most pressing challenges currently facing security professionals.

e-book: Securing Microsoft 365 email

How to protect Microsoft 365 email users against advanced threats with a supplemental security solution.

Gartner on the security landscape (PDF)

Where does Cloud Mailbox fit within the Cisco Secure Email portfolio?