Shield

Who we are and what we do

The Microsoft Malware Protection Center (MMPC) provides world class antimalware research and response capabilities that support Microsoft's range of security products and services. With laboratories in multiple locations around the globe the MMPC is able to respond quickly and effectively to new malicious and potentially unwanted software threats wherever and whenever they arise.

Learn more about the Microsoft Malware Protection Center (MMPC)
Protection

Are you protected?

To ensure you are protected, download the latest definitions for your Microsoft security product.
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Find out how to protect your computer from malware.
I think my computer is infected – what do I do now?
What can I do to prevent my computer from becoming infected?

Additional guidance and advice

A Peek at MSRT November Threat Reports

By continuing to include new variants of the existing threat families, the MSRT has removed malware from more than 1.5 million machines three days after its release on 10 November. This month we've also added Win32/FakeVimes and Win32/PrivacyCenter to the MSRT detection and have removed these new rogues from more than 110,000 machines.

Read the full story on the blog

Microsoft Security Intelligence Report

An in-depth perspective of software vulnerabilities, malicious code threats and potentially unwanted software, focusing on trends observed during the first or second half of each year.

Read the Microsoft Security Intelligence Report

Microsoft security products

Get and stay protected with Microsoft security products