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Microsoft Secure


Understanding the true size of “Fireball”

Keeping tabs on the movement of cybersecurity threats, understanding the size and scope of attacks, and disrupting cybercriminal campaigns through next-gen technologies are fundamental parts of our day-to-day work at Microsoft Windows Defender Research. So when recent reports of the “Fireball” cybersecurity threat operation were presented as a new discovery, our teams knew differently because...

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Get advance notice about June security updates

Today the Microsoft Security Response Center (MSRC) posted details about the June security updates. On Tuesday, June 12 at approximately 10 AM Pacific Time Microsoft will release 8 bulletins. The easiest way to get the updates when they’re available is to turn on Windows automatic updating. For more information about how this works, see Understanding Windows automatic updating. The Microsoft...

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Free PC safety scan

Think your computer might have a virus? The Microsoft Security scanner is a free download that will scan your computer and help you remove viruses, spyware, and other malicious software. Download Microsoft Safety Scanner The scanner is not a replacement for antivirus software. It contains the latest anti-malware definitions, but it works with your antivirus...

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The Zbot battle: Microsoft turns up the heat

Botnets are networks of compromised computers controlled by cybercriminals. Botnets can send out spam, spread malicious software, steal passwords, and more. Zbot (also known as the “Zeus Botnet”) has been responsible for stealing passwords and other financial information from infected computers worldwide. Today, Microsoft published a special edition of the Security Intelligence Report that details...

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Hey! Did MSN hijack my browser?

Did your home page or search page suddenly change to MSN or another Microsoft website? If you use Microsoft Security Essentials, Windows Defender, the Microsoft Malicious Software Removal Tool, or other anti-malware software from Microsoft, these tools might have detected browser hijacking software on your computer and changed your home page or search page in...

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Free security tools from Microsoft

You don’t need a personal IT staff or even a geeky family member to help keep your home computer safe from viruses, hackers, and other threats. Microsoft offers the following free security tools and scans: ·         Microsoft Security Essentials Downloadable software that helps protect against viruses, spyware, and other malicious software.   ·         Windows Live...

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