Instructure (Canvas) Data Breach by ShinyHunters
Instructure, the parent company of the Canvas learning management system, confirmed a data breach where the ShinyHunters extortion group claimed to have stolen 3.65 TB of data belonging to approximately 275 million users across thousands of educational institutions. The breach, initially discovered on April 29, 2026, involved the compromise of Canvas' Free-For-Teacher account program. Exposed information included names, email addresses, student ID numbers, and private messages. Instructure reportedly paid a ransom to the threat actors. A second vulnerability was exploited on May 7, 2026, but no additional data was accessed or taken during that event.
Signal context
First seen: May 3, 2026
Last updated: Jun 26, 2026
Status: Public signal
Key points
- ShinyHunters extortion group claimed responsibility.
- Approximately 275 million users affected across nearly 9,000 institutions.
- 3.65 TB of data stolen.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Educational Services
Likely country: 🇺🇸 United States
inferred from source domains
Watch internet-facing systems, credential abuse and exploit activity.
- Source type: outside the affected organization
Impact area: Confidentiality
Likely asset: User or customer data
- 2 signals in the same sector
- 88 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Deal Reached With Hackers to Delete Data Stolen From the Canvas Educational Platform - SecurityWeekhttps://www.securityweek.com/deal-reached-with-hackers-to-delete-data-stolen-from-the-canvas-educational-platform/Public source from securityweek.com.
Technology Security Alert – Ongoing Cybersecurity Incident Involving the Canvas Learning Management System (Updated May 29, 2026) | Knowledge Centerhttps://knowledgecenter.ed.gov/topics/technology-security-alert-ongoing-cybersecurity-incident-involving-canvas-learning-management-system-updated-may-29-2026Public source from knowledgecenter.ed.gov.
Canvas (Instructure) Pays Ransom to ShinyHunters: What's Next?https://www.jdsupra.com/legalnews/canvas-instructure-pays-ransom-to-9076527/Public source from jdsupra.com.
11th May – Threat Intelligence Report - Check Point Researchhttps://research.checkpoint.com/2026/11th-may-threat-intelligence-report/Public source from research.checkpoint.com.
2026 Data Breaches: Cybersecurity Incidents Explained - PKWAREhttps://www.pkware.com/blog/2026-data-breachesPublic source from pkware.com.
10 Major Cyberattacks And Data Breaches In 2026 (So Far) - CRNhttps://www.crn.com/news/security/2026/10-major-cyberattacks-and-data-breaches-in-2026-so-farPublic source from crn.com.
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