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Microsoft Secure

#AVGater vulnerability does not affect Windows Defender Antivirus, MSE, or SCEP

On November 10, 2017, a vulnerability called #AVGater was discovered affecting some antivirus products. The vulnerability requires a non-administrator-level account to perform a restore of a quarantined file. Windows Defender Antivirus and other Microsoft antimalware products, including System Center Endpoint Protection (SCEP) and Microsoft Security Essentials (MSE), are not affected by this vulnerability. This vulnerability...

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New research shows rise in “deceptive downloads”

According to the latest cybersecurity report from Microsoft, “deceptive downloads” were the top threat for 95 percent of the 110 countries surveyed. What are deceptive downloads? Deceptive downloads are legitimate downloadable programs (usually free) such as software, games, or music that cybercriminals bundle with malicious items. For example, you might receive a file in email...

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How do I know if I already have antivirus software?

UPDATE: For the most relevant information on antivirus software, learn how to protect your computer by visiting the Microsoft support page on Windows Defender. We can ensure this page stays updated with the most relevant information on how to help protect your PC with Windows Defender.   If your computer is running Windows 8 If...

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Windows Defender and Microsoft Security Essentials: Which one do I need?

UPDATE: For the most relevant information on Microsoft Security Essentials, please visit the Microsoft threat detection information page. We can ensure this page stays updated with the most relevant information on how to help protect your PC.   Depending on which operating system your computer is running, you can use either Windows Defender or Microsoft...

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EMET: A valuable tool for PC protection

If you’re a regular reader of this blog, then you’ve probably already taken steps to help protect your PC. You have antivirus software that you trust and you keep it updated automatically. You’ve activated your firewall. You regularly install security updates. You know not to respond to suspicious emails or to click links with promises...

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Get free or paid support for your malware problem

Is your computer running slowly? Are programs starting unexpectedly? Is the activity light on your broadband or external modem constantly lit? Does it sound like your computer’s hard disk is continually working? If you answered “yes” to any of these questions, your computer might be infected with malware. Scan your PC for viruses If you...

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How do I keep my firewall on?

Using a firewall is like locking the front door to your house—it helps keep intruders (in this case, hackers and malicious software) from getting in. Windows Firewall is included in Windows and is turned on by default. If you see a warning that your firewall is turned off, it could be because: You or someone else...

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Why does my AV software keep turning off?

Bob writes: My antivirus software keeps turning off and I can’t get it back on. Here are the most common reasons you might encounter this problem: Your computer is already infected with rogue security software The warning that you’re antivirus software is turned off might be a fake alert, also known as “rogue security software.”...

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Can I use Microsoft Security Essentials with Windows 8?

A reader writes: Can I use Microsoft Security Essentials with Windows 8? No—but you don’t need to. Windows 8 includes Windows Defender, a program that provides enhanced protection against viruses and spyware. Learn more about Windows 8 If your computer is running Windows 7, Windows Vista, or Windows XP, we recommend downloading Microsoft Security Essentials or...

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Top 5 online safety tips for summer

To help stay safe on your travels this summer, we recommend these Internet safety and privacy tips. Make sure your laptop or tablet has up-to-date antivirus and antispyware software installed. Windows 8 includes antivirus protection that’s turned on by default. If your computer isn’t running Windows 8, you can download Microsoft Security Essentials for free. Don’t broadcast vacation plans...

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