Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

A firewall is one of the first lines of defense against existential threats to your device, and most operating systems include one in some form, so you have protection even if you don't pay for robust ...

Microsoft Defender will continue to work in Windows 10. Defender will receive regular security updates until October 2028. Microsoft still recommends Windows 11 for new security patches. You probably ...

It is possible to enable or disable Windows Defender on Windows 11 or Windows 10 PC using the Local Group Policy Editor. If you mistakenly turned on that setting in ...

Microsoft saved its most powerful AI tools for paying customers in the first phase of its AI evolution. Now, the company has announced a series of Copilot features coming to all Windows 11 PCs, ...

Microsoft has confirmed that Windows updates released since August 29, 2025, are breaking authentication on systems sharing Security Identifiers. Windows uses unique alphanumeric strings known as ...

ZDNET's key takeaways Your desktop firewall may not offer enough protection.There are various options available to increase your security.Two of these options are free, while the other has an ...

Use the following fixes for the “Something went wrong and Outlook couldn’t save your account settings” error in MS Outlook: You can also try to update the ...

Steven Musil is a senior news editor at CNET News. He's been hooked on tech since learning BASIC in the late '70s. When not cleaning up after his daughter and son, Steven can be found pedaling around ...

CVE-2025-33073 sees Windows users face an SMB vulnerability Microsoft issued a fix in June 2025 – make sure you’re up to date Google’s researchers were among those who discovered it The vulnerability, ...

Microsoft issues emergency patch for a critical WSUS flaw enabling remote code execution CVE-2025-59287 allows unauthenticated attackers to gain SYSTEM privileges without user interaction An ...