Harvard breach exposed data of about 850,000 accounts, Have I Been Pwned says
The ShinyHunters extortion gang claimed responsibility and leaked a 1.1GB archive after Harvard refused to pay a ransom; the university says the breached systems held no Social Security numbers or payment data
A breach of Harvard University's alumni and fundraising systems exposed data linked to more than 850,000 accounts, according to the breach notification service Have I Been Pwned, which analysed files the ShinyHunters extortion gang published after the university refused to pay a ransom.