The developer did not specify when they became aware of the attack, but said that “all attacker access was definitively terminated” by December 2nd. The Notepad++ updater has been updated itself with ...

The program is a free text and code editor that's been downloaded millions of times. The compromise began in June and is ...

Breach lingered for months before stronger signature checks shut the door A state-sponsored cyber criminal compromised Notepad++'s update service in 2025, according to the project's author.… The ...

Notepad++ update servers were compromised for 6 months in 2025. Learn how the Chrysalis backdoor targeted users and why you must manually update to version 8.9.1 now.