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Confirmed breach

Harvard data breach

Country being checked · harvard.edu · parent: President and Fellows of Harvard College (Wikidata)

A breach of Harvard was added to Have I Been Pwned’s breach database on 3 November 2026. It affected 850,537 accounts.

People affected
850,537accounts
Reported
3 November 2026Breach database
Time to tell
350 daysfrom 18 November 2025 · the median is 149

What was exposed 17

  • Email addresses
  • Phone numbers
  • Dates of birth
  • Names
  • Addresses
  • Charitable donations
  • Citizenship statuses
  • Education levels
Show 9 more
  • Employers
  • Ethnicities
  • Family members' names
  • Genders
  • Job titles
  • Marital statuses
  • Occupations
  • Salutations
  • Social media profiles

Sources 1

Breach databases are read by code. · Corrections and changes

From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.