Harvard University Data Breach Exposed Info of 851,000 Accounts
Have I Been Pwned said the breach exposed names, emails and donation records after Harvard refused a ransom demand.
5 Articles
5 Articles
Harvard University data breach exposed info of 851,000 accounts
Hackers who breached Harvard University's Alumni Affairs and Development systems in November 2025 stole data linked to more than 850,000 unique email addresses, according to breach notification service Have I Been Pwned. [...]
The data leak at Harvard University exposed approximately 851,000 email addresses, as well as personal information, telephones, social profiles and donation history. Associated with the ShinyHunters group, the incident reinforces the risks of phishing, fraud and digital extortion against academic communities.
Harvard Flunks Cybersecurity As Massive Breach Exposes 851,000 Users
New information has come to light over the 2025 cybersecurity breach at Harvard University whereby a reported 851,000 accounts within its alumni and development systems were exposed. The intrusion originally unfolded from a voice-phishing
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