Ransomware Leak
shinyhunters
McGraw Hill, Inc. (mheducation.com)
Data leak attributed to shinyhunters, first discovered on 2026-04-12. Approximately 25,302,121 records were reported exposed.
Threat group
shinyhunters
Records exposed
25,302,121
Discovered
2026-04-12
Country
US
Indexed
2026-08-24
Website
mheducation.com
Source ID
28081
About this leak
Over 45M Salesforce records containing PII data have been compromised. Pay or leak. This is a final warning to reach out by 14 Apr 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. | Updated: 11 Apr 2026 | Warning: FINAL WARNING PAY OR LEAK
What is inside this leak sample
Indexed records
25,302,121
With email
•••
ID documents
•••
File types
•••
Corporate vs personal email
82.95% corporate · 17.05% personal
Top corporate email domains
% of corporate emails
mheducation.com
12.75%
achieve3000.com
3.1%
6 more hidden ·
Enterprise
File types present
json
•••
Analysed 2026-07-24
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