Jake Peterson is Lifehacker’s Tech Editor, and has been covering tech news and how-tos for nearly a decade. His team covers all things technology, including AI, smartphones, computers, game consoles, ...

Microsoft has issued security updates to address 90 vulnerabilities, some of which hackers are actively exploiting, in a blog post yesterday. These flaws allow hackers to bypass security features and ...

Windows Security (formerly Windows Defender) is the built-in antivirus tool bundled with the operating system. It has saved ...

Windows 11 KB5086672 is now rolling out as an optional update with several notable improvements after March 2026 update ...

Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.

Michelle is Lifehacker's Associate Tech Editor, and has been reviewing games, laptops, phones, and more for over 10 years. She is based in New York City and holds a master's degree from NYU. If you’ve ...

Support for Windows 10 has ended, putting your system at risk. You don't have to upgrade—here's how to stay protected.