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Office 365 Trust Center

Welcome to the place where we share our commitments and information about security, privacy, and compliance.
In this video, Julia White answers the question "Why trust Office 365?"
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With Office 365, it’s your data. You own it. You control it. And it is yours to take with you if you decide to leave the service. The core tenets of our approach to earning and maintaining your trust are:

Built-in security

  • Service-level security through defense-in-depth
  • Customer controls within the service
  • Security hardening and operational best practices

Privacy by design

  • Your data is not used for advertising
  • You have extensive privacy controls
  • You can take your data with you when you want

Continuous compliance

  • Proactive processes to meet evolving compliance needs
  • Customer controls for organizational compliance
  • Independently verified to meet evolving standards

Transparent operations

  • You know where your data resides and who has access
  • Visibility into availability and changes to the service
  • Financially backed guarantee of 99.9% uptime
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With Office 365, Microsoft could meet all of our security requirements in addition to our needs for regulatory and legal compliance. —Charles Wardrip

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Quarterly uptime: 99.9%

Quarterly uptime: 99.9%

You should know what’s going on. With Office 365, we aim to be transparent in our operations so you can monitor your service, track issues, and have a historical view of availability.

Office 365 security white paper

Office 365 security white paper

When you consider moving your organization to cloud services, security concerns add another layer of consideration. Read what Office 365 is doing to address your concerns.

Top 10 security and privacy features

Top 10 security and privacy features

Review the top security and privacy considerations to help you determine the security and trustworthiness of cloud service providers and their services.

Office Blogs

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June Office 365 security and compliance update

In the last month, we've delivered a number of enhancements to Office 365 security and compliance capabilities, including the introduction of Advanced Security Management, a new set of capabilities powered by Microsoft Cloud App Security that gives you greater visibility and control over your Office 365 environment.
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From Inside the Cloud—What protection exists for your data in Office 365?

Read about the latest of our continued investments to protect customer data like Data Loss Prevention (DLP), Advanced Threat Protection (ATP) and Intelligent Protection.
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Leading the way in the fight against dangerous email threats

Learn about exciting new features that proactively identify and block the most dangerous email threats for our Exchange Online Protection and Advanced Threat Protection services.

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