Canvas LMS Suffers Data Breach, Unauthorized Access on April 25, 2026
On April 25, 2026, unauthorized actors accessed Canvas LMS systems, a learning management system operated by Instructure. Instructure detected the intrusion four days later, revoked access, and engaged cyber forensics experts. The company disclosed the incident on May 1, 2026, confirming a cybersecurity attack involving user data such as names, email addresses, student ID numbers, and messages. ShinyHunters claimed to have stolen 3.65 terabytes of data from approximately 275 million users across nearly 9,000 institutions.
Signal context
First seen: Apr 25, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Unauthorized access date: April 25, 2026.
- Detection date: Four days later (April 29, 2026).
- Disclosure date: May 1, 2026.
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: Location not provided
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
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