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Harvard

SourceHave I Been Pwned
StatusConfirmed breach
AddedNovember 3, 2026
OccurredNovember 18, 2025
Accounts affected850,537
Domainharvard.edu
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What was exposed
Charitable donationsCitizenship statusesDates of birthEducation levelsEmail addressesEmployersEthnicitiesFamily members' namesGendersJob titlesMarital statusesNamesOccupationsPhone numbersPhysical addressesPlaces of birthSalutationsSocial media profiles
What to do if you were affected
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Details
In November 2025, Harvard University suffered a data breach later linked to a ShinyHunters "pay or leak" extortion attempt . The data contained 851k unique email addresses relating to the university's alumni and fundraising systems, along with extensive profile information for donors, alumni, parents and some faculty, staff and students. In Harvard's disclosure notice , the university stated that the breach impacted "personal information such as email addresses, telephone numbers, home and business addresses, event attendance, details of donations to the University, and other biographical information pertaining to University fundraising and alumni engagement activities".
Frequently asked questions

What is the Harvard data breach?

In November 2025, Harvard University suffered a data breach later linked to a ShinyHunters "pay or leak" extortion attempt . The data contained 851k unique email addresses relating to the university's alumni and fundraising systems, along with extensive...

When did the data breach happen?

This data breach occurred around November 2025.

How many accounts were affected?

Around 850,537 accounts were affected.

What information was exposed?

Exposed data included Charitable donations, Citizenship statuses, Dates of birth, Education levels, Email addresses, Employers, Ethnicities and Family members' names.

What should I do if I was affected?

Expect more phishing and spam at this address. Treat messages that reference this company with extra caution. Watch for text-message phishing and SIM-swap attempts on your phone number. Be wary of targeted scams that use your personal details to sound convincing.

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