Harvard University
Nov 2026 · Graded Attested · Public Sector and Education · Beyond the filings
Incident summary
Harvard UniversityNov 2026
Not yet quantified
AAttestedHarvard's Alumni Affairs and Development systems were breached in November 2025, exposing names, birthdates, home addresses, and donation details tied to 851,000 email addresses, according to Have I Been Pwned's count. ShinyHunters claims over a million records. How the attackers got in remains unstated. No Social Security numbers or card data were stored there, the university stresses, but the development office had quietly become the most complete record of who Harvard's people are and what they give.
Public Sector and Education
Harvard University data breach exposed info of 851,000 accounts
Initial attack type phishing or social engineering inferred · Actor ShinyHunters
About this record
This incident is beyond the filings: attributed to a company statement, a regulator or court record, or a news report, and graded Attested or Inferred. Every figure links to the source it was read from; if we have read one wrong, tell us at info@hackerinahoodie.com. This index never sums figures across incidents. See the methodology.