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Canvas maker Instructure breached, data on 275M users reported
Thousands of schools and universities were potentially affected.
- Organisation
- Instructure (Canvas)
- Disclosed
- 3 May 2026
- Affected
- 275,000,000 (claimed by attacker, unconfirmed)
- Data
- Student and staff data
- Attacker
- ShinyHunters
- Severity
- critical
- Region
- Global
- Source
- CM Alliance monthly roundup ↗
Cite this
Nuffield Consulting, “Canvas maker Instructure breached, data on 275M users reported”, The Daily Tech Wire outage & breach log, 3 May 2026. https://techwire.nuffieldconsulting.com/incidents/2026-05-03-instructure-canvas-breach/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: CM Alliance monthly roundup, https://www.cm-alliance.com/cybersecurity-blog/biggest-cyber-attacks-data-breaches-ransomware-attacks-of-may-2026.
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