Microsoft will block users running counterfeit copies of Windows from installing the free Security Essentials antivirus software, the head of the company’s anti-piracy group said yesterday. Security ...

Following installation, Microsoft Security Essentials downloads the latest virus and spyware definitions from the Microsoft Update Center. Once done, you needn't update again - Security Essentials ...

The just-released beta of Microsoft Security Essentials is a solid, free tool that protects against malware while taking up few system resources and staying out of your way as much as possible. This ...

Microsoft Security Copilot is an AI-powered solution that boosts the efficiency of security defenders, improving outcomes at scale. If you are setting up an environment and want to make it secure, we ...