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November 18, 2025 Verified Education

Harvard University 2025 Data Breach

The 2025 Harvard University data breach involved unauthorized access to systems used by Alumni Affairs and Development.

850.8 Thousand
Email Identifiers
5
Data Types
High
Severity
Yes
Verification

Exposed Data Types

5
Email addresses
Names
Genders
Physical addresses
Phone numbers

Additional Information

Added DateAugust 3, 2026
Breach DateNovember 18, 2025
Domainharvard.edu
SourceHarvard University
Last Content UpdateAugust 3, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameHarvard University
SectorEducation
CountryUnited States
Websiteharvard.edu

Risk Level

High

The reported impact exceeds 100 thousand and falls within the high severity band.

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