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Cloud Security

See and control SaaS apps. Secure Office 365 email. And detect threats in the public cloud.

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Effective security for the multicloud world

See and control SaaS apps. Secure cloud email. Detect threats in the public cloud. And stay safe when connecting to the cloud.

Public cloud infrastructure security

Easily detect threats, achieve visibility, and verify compliance in your public cloud infrastructure.

Email Security for Office 365

Get more protection against phishing, ransomware, business email compromise, and more.

Security for SaaS applications

Gain visibility and control to enable highly secure cloud adoption.

Cloud Security Assessment

Develop a cloud strategy that meets privacy, security, compliance, and business needs.


Cisco Cloud Security helps you adopt the cloud securely. With it, you can better manage security for the way the world works today. It protects users against threats anywhere they access the Internet, and it protects your data and applications in the cloud.

Block threats earlier

Stop malware before it reaches your network or endpoints. Reduce the time spent remediating infections.

Extend protection

Remove blind spots. Protect users anywhere they go, anywhere they access the Internet.

Secure users, data, apps

Protect users, data, and apps in the cloud against compromised accounts, malware, and data breaches. Enable compliance.

Enable secure cloud use

Improve security with no impact on end-user productivity.

Keep your security up to date

Hear experts from Gartner and Cisco explain what cloud-delivered security can do for you.

Try our products for free


No credit card or phone call is needed to set up your 14-day trial.

Email Security

Test-drive our solution for 45 days with our exclusive offer.


See the leading cloud access security broker (CASB) solution in action.

Stealthwatch Cloud

Secure your environment without installing software or hardware.

Case studies

SUNY Old Westbury

A college enhances Office 365 security with Cisco Email Security and Advanced Malware Protection.

(PDF – 234 KB)

U of Kansas Hospital

Cisco Umbrella helps a hospital fight ransomware and keep patient and research data secure. (2:42 min)

Ahold supermarkets

A global food retail chain gains network visibility and security with Cisco Cloudlock. (1:17 min)

News and events

New dog, new tricks.

Meet Cisco Umbrella—the industry's first secure Internet gateway in the cloud.

Security's new frontier: The cloud

Learn how Cisco Cloud Security helps you securely adopt and use the cloud.

Cyber attacks continue to evolve. Have you?

Learn how attackers are monitoring your organization for weaknesses.

Featured videos and podcasts

Umbrella SSL Decryption

SSL Decryption allows Umbrella to inspect traffic coming over HTTPS. (1.33 min)

What does Umbrella do?

Chris Riviere explains how you can predict attacks before they happen.

Strengthening cloud security

A former White House Internet security advisor shares tips for protecting data.

Improve results with our services

Cisco Services help customers integrate a breadth of Cisco technology, migrate from other solutions, and optimize their existing security technologies.

Cloud security best practices

Learn the best ways to meet business, audit, and compliance requirements in a multicloud world.

Cloud security assessment

Strengthen your cloud security architecture and improve your readiness to absorb new cloud services.

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.

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