Instructure Holdings, Inc. (Canva LMS, instructure.com)
Attack Intelligence
Instructure Holdings, Inc. (Canva LMS, instructure.com) was compromised in a ransomware attack attributed to shinyhunters in May 2026. The organization, operating in an undisclosed sector in Unknown, was added to the group's data leak site as part of an extortion campaign.
shinyhunters operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
Nearly 9,000 schools worldwide affected. 275 million individuals data ranging from students, teachers, and other staff containing PII. Several billions of private messages among students and teachers and students and other students involved, containing personal conversations and other PII. Your Salesforce instance was also breached and a lot more other data is involved. Pay or Leak. This is a final warning to reach out by 6 May 2026 before we leak along with several annoying (digital) problems that'll come your way. Make the right decision, don't be the next headline.
Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2026-35273, which may have been leveraged as initial access vectors or for lateral movement.