The Wikimedia Foundation suffered a security incident today after a self-propagating JavaScript worm began vandalizing pages and modifying user scripts across multiple wikis.

Malicious AI browser extensions collected LLM chat histories and browsing data from platforms such as ChatGPT and DeepSeek.

No. 23 Oregon baseball (4-0) wrapped up opening weekend with an 11-1 win over George Mason University (0-4) Sunday. Junior Ryan Featherston (W,... Learn how to stay safe from the threats of dangerous ...

Fake browser extensions are nothing new, but this one takes things a step further by deliberately breaking your computer to scare you into infecting it. Security researchers have uncovered a malicious ...

Despite ongoing efforts by Google to tighten security, malicious browser extensions continue to find their way onto the Chrome Web Store — and into users’ browsers — putting their data and devices at ...

The Chrome Web Store has been infested with dozens of malicious browser extensions claiming to provide AI assistant functionality but that secretly are siphoning off personal information from victims.

They know where you've been and they're going to share it. A security researcher has identified 287 Chrome extensions that allegedly exfiltrate browsing history data for an estimated 37.4 million ...

When I decided to finally ditch Chrome as my main browser, I also took the opportunity to limit my browser extensions — relying on native browser features where possible. I made this decision to ...

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, ...