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.

About MMPC Video
Watch a short video about the Microsoft Malware Protection Center.

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

Are you from an Internet cafe?

In a previous blog, I mentioned a family of malware named Dogrobot, which attempts to penetrate the protection offered by particular hardware that is widely used in Internet cafes in China. Interestingly, we recently discovered a trojan, TrojanDownloader:Win32/Chekafe.A, that checks whether an affected machine is in an Internet cafe or not. If the affected machine is not from an Internet cafe , it sends the MAC address of the affected machine to a remote server.

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