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ShinyHunters Breaches and Defaces Canvas
Coverage from BleepingComputer, TechCrunch, and others
Articles
27
Active Days
70
The Topic
ShinyHunters compromised Instructure’s Canvas platform, stealing user information and later using cross-site scripting vulnerabilities to alter login portals for hundreds of educational institutions. Instructure temporarily restricted Canvas services, rotated application keys, and investigated the incident while the U.S. House Homeland Security Committee sought testimony about the breach’s scope and response. Instructure says the stolen data was returned and destroyed, but the volume of allegedly affected records and the final impact on institutions remain unsettled.
First Article: 05/03/26
Latest Article: 07/11/26
Summary
- ShinyHunters exploited vulnerabilities in Instructure’s Canvas environment to access user data and authenticated administrative sessions.
- The attackers used the same weakness to modify login portals at approximately 330 educational institutions and display ransom demands.
- Instructure reported exposure of names, email addresses, student ID numbers, and user messages, while saying it found no evidence of passwords, financial data, or government identifiers.
- Canvas was temporarily taken offline, Free-for-Teacher accounts were restricted, and application keys were rotated before service restoration.
- ShinyHunters claimed theft of hundreds of millions of records and more than 3.6 terabytes of data, but reported totals have not been independently verified.
- Instructure says the stolen data was returned and destroyed; the company has not clearly disclosed whether a ransom was paid.
- The House Homeland Security Committee requested testimony on containment, notification, data protection, and coordination with federal agencies.
History
The main shift is that the breach is now framed less as a completed incident and more as an unresolved, potentially broader campaign: the House committee has formally sought testimony, and the extent of records affected remains unsettled. The current version also clarifies that the portal tampering used cross-site scripting to alter login pages at roughly 330 institutions.
The story has sharpened from a broad Canvas breach and extortion case into a more specific two-stage attack that used XSS to hijack administrative sessions and deface school portals. It also now includes congressional scrutiny and a second education-tech target, widening the implications beyond Instructure alone.
Featured
05-07-2026
ShinyHunters defaced Instructure Canvas login portals in attacks on about 330 colleges and universities, demanding ransom or student data leakage.
05-11-2026
Instructure disclosed that XSS vulnerabilities enabled ShinyHunters to modify Canvas login portals, steal data, and extort ransom after the breach began April 29.
05-12-2026
Instructure said a May 13 webinar would share details after ShinyHunters stole data and attempted extortion against Canvas, with the stolen data later returned and destroyed.
Timeline: 70 Days
Hover over any logo to see coverage summary, click for full article.
Additional Articles
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The U.S. House Homeland Security Committee asked Instructure CEO Steve Daly for testimony on ShinyHunters breaches of Canvas that exposed student data and disrupted schools.
ShinyHunters claimed a March Salesforce-targeting attack on Infinite Campus, and Have I Been Pwned linked it to exposure of 137,100 school staff accounts.
Instructure confirmed a breach affecting student information after ShinyHunters claimed theft of names, personal emails, and teacher-student messages tied to Canvas.
Instructure disclosed on May 3, 2026 a ShinyHunters-linked data leak exposing student identities and user messages at selected educational institutions.
Instructure confirmed a data breach affecting Canvas users, exposing student identifiers and messages after ShinyHunters claims of large-scale theft.
ShinyHunters reportedly breached Instructure and Vimeo in 2026, exposing student and user records through vulnerability exploitation and Anodot token-based access.
Moody Bible Institute disclosed a cyberattack affecting over 2.3 million records, with leaked personal data reported via Have I Been Pwned.
Glendale Community College disclosed a reported June 15, 2026 ShinyHunters extortion incident in which alleged student records, including Social Security numbers, were published online.
ShinyHunters exploited two production vulnerabilities in Instructure Canvas during late April and May 2026, exfiltrating large volumes of student-related data and disrupting university course pages.
In June 2026, ShinyHunters allegedly published Glendale Community College student-enrollment data online after an extortion campaign, exposing email addresses and Social Security numbers.
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Instructure disclosed a cybersecurity incident in Canvas after ShinyHunters claimed responsibility and posted an alleged data leak listing.
ShinyHunters claimed a Canvas breach, and Instructure confirmed incident response steps after an April 30 disruption involving education platform user data.
Instructure said Canvas personal data stolen by ShinyHunters in an April 29 hack was deleted, with payment details unconfirmed and Free-For-Teacher access disabled during investigation.
Moody Bible Institute reported a ShinyHunters-linked breach in 2.3 million records after unauthorized access and a public leak of sensitive PII.
Instructure confirmed Canvas user-identifying data exposure after a ShinyHunters-linked cyberattack, while ShinyHunters claims larger scope.
ShinyHunters disrupted University of Pennsylvania Canvas access on Thursday and threatened to leak data after a claimed Instructure breach, affecting multiple Canvas-using universities.
ShinyHunters extended Canvas breach extortion payments to May 12, claiming exposure of personal data for about 9,000 education institutions using Instructure.
ShinyHunters allegedly breached Instructure's Canvas system, and Instructure confirmed sensitive data access impacting thousands of schools.
Instructure investigated Canvas outages and login disruptions after ShinyHunters claims of infiltration, with a reported data breach deadline for universities before May 12.
ShinyHunters defaced Instructure Canvas login portals for hundreds of schools and universities, and Instructure confirmed a breach involving user identifiers and messages.
In the United States, ShinyHunters reportedly hacked Instructure's Canvas learning platform in early May, triggering outages and maintenance mode while Instructure withheld root-cause details.
Instructure reported unauthorized Canvas access beginning April 29, 2026, followed by ShinyHunters ransom activity and login defacement in early May 2026.
ShinyHunters hacked Instructure's Canvas on May 7, set a May 12 student-data leak deadline, and caused school outages and login disablement across multiple U.S. states.
Moody Bible Institute faced an alleged June 2026 data leak after ShinyHunters claimed exfiltration of education, donor, and payroll records.