Instructure, the company behind the widely used Canvas learning platform, has disclosed that it recently suffered a cybersecurity incident and is now investigating its impact.

The U.S.-based education technology company is best known for developing Canvas, a widely used learning management system that helps schools, universities, and organizations manage coursework, assignments, and online learning.

“Instructure recently experienced a cybersecurity incident perpetrated by a criminal threat actor. We are actively investigating this incident with the help of outside forensics experts,” reads a statement from Steve Proud, Chief Security Officer.