Notepad++ users take note: It's time to check if you're hacked

Infrastructure delivering updates for Notepad++—a widely used text editor for Windows—was compromised for six months by suspected China-state hackers who used their control to deliver backdoored versions of the app to select targets, developers said Monday.

“I deeply apologize to all users affected by this hijacking,” the author of a post published to the official notepad-plus-plus.org site wrote Monday. The post said that the attack began last June with an “infrastructure-level compromise...