Notepad++ Hosting Breach Linked to China-Linked Lotus Blossom APT, “Chrysalis” Backdoor Discovered
A China-linked cyber-espionage group known as Lotus Blossom has been attributed with medium confidence to the compromise of infrastructure used to host Notepad++, the widely used open-source text editor. The incident enabled attackers to deliver a previously undocumented backdoor dubbed Chrysalis to a select group of users, according to research from Rapid7.

