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WannaCrypt ransomware worm targets out-of-date systems

On May 12, 2017 we detected a new ransomware that spreads like a worm by leveraging vulnerabilities that have been previously fixed. While security updates are automatically applied in most computers, some users and enterprises may delay deployment of patches. Unfortunately, the ransomware, known as WannaCrypt, appears to have affected computers that have not applied...

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Spooky antivirus software

Judy writes: My virus protection doesn’t seem to want to stay on. I’ve been able to turn it back on, but when I shut down and then restart my computer later, the virus protection is off again. Is this some kind of Halloween trick? Having a virus is no treat Achieving 100 percent protection from...

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Protect your PC from the Conficker worm

The most recent Microsoft Security Intelligence Reports (SIR) describes the ongoing threat of the Conficker worm and urges businesses and individuals to apply security updates. Microsoft first recognized the Conficker threat in November 2008 and since then the Microsoft Malware Protection Center has been regularly releasing security updates to help protect against Conficker. The worm...

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NEWS: Microsoft offers most popular US antivirus program

Have you recently installed Microsoft Security Essentials? Earlier this month, the development tools and data services company, OPSWAT, announced that Microsoft’s free antivirus software was the most popular antivirus program in North America during the last 12 months. Microsoft Security Essentials is free to download and helps protect personal and small business computers from viruses,...

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Fake security software: Know the risks

If you’re browsing the web and you see a security warning, beware. Cybercriminals use fake security warnings (also known as “rogue security software”) to steal personal information or to charge you for a program that doesn’t work. You should only download software from a reputable source. Microsoft Security Essentials, for example, is a program that...

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Valentine’s Day e-card security tips

Electronic greeting cards are easy, cheap, and fun to get and send, but cybercriminals also use them to try to steal your personal information or to spread malicious software. Legitimate companies have standard, obvious ways for you to recognize that the email is not a fraud. For example, with MSN Greetings, the “from” line always shows...

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Free virus protection for your small biz

Microsoft Security Essentials (free antivirus and antispyware software) is now available for small businesses. Small business owners can download and install Microsoft Security Essentials for no cost. For more information, see Microsoft Security Essentials available to Small Businesses on October 7. Note: If you operate a business running more than 10 computers, we recommend that you use...

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