Notepad++ Publishes Full Details of 2025 Compromise
On February 2, 2026, the Notepad++ open source project disclosed new details about a supply chain compromise that impacted its update delivery infrastructure between June and December 2025. The attack was attributed to state-sponsored threat actors with links to China. In this campaign, the threat actors had gained access to a third-party hosting provider used by Notepad++ to distribute updates.