If you see the message Security or firewall might be blocking the connection following completion of Windows Network Diagnostics to determine what’s causing internet or network connection issues on ...

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

The firewall is one of the most important security features in a computer environment. In the classic sense, a firewall is set up on an appliance, such as a computer that fulfills just a single, ...

The biggest security threat facing everyone isn't malware, ransomware, or phishing emails. The big problem is the person ...

As internet threats have evolved, Windows has consistently provided tools to help users stay safe online. One of the earliest examples is the Windows firewall (formally known today as the Microsoft ...

Critical remote code execution flaw in Windows Server is being exploited in the wild, despite previous updates ...

Windows 11 will no longer add SMB1 Windows Defender Firewall rules when creating new SMB shares starting with today's Canary Channel Insider Preview Build 25992 build. Before this change and since ...

Microsoft on Tuesday announced the release of a Basic edition of the Azure Firewall service, which is available at the preview stage. Azure Firewall is Microsoft's "stateful firewall as a service," ...

From nation-state actors to organized criminal networks, threat actors are constantly devising new techniques to compromise networks, steal sensitive data, and disrupt critical services. These attacks ...