Harvard University data breach exposes over 850,000 accounts

# Harvard University data breach exposes over 850,000 accounts

https://gcdradar.vercel.app/incidents/harvard-university-data-breach-exposes-over-850-000-accounts · AIR-2026-1723 · live

- Lane: Breaches & attacks
- Severity: 4 (Confirmed real-world loss): Confirmed real-world data breach with massive PII exposure.
- Fix status: No fix needed
- First reported: 2026-11-03 (happened 2025-11-18)
- AI role: No AI role
- Products: Harvard University systems

## Summary

Harvard University suffered a data breach in November 2025 linked to a ShinyHunters extortion attempt, exposing over 850,000 unique records. The leaked information included personal profile details, contact information, and donor records.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2026-11-03: Harvard University data breach exposed info of 851,000 accounts (https://bleepingcomputer.com/news/security/harvard-university-data-breach-exposed-info-of-851-000-accounts)
- 2026-11-03: Harvard data breach exposes 850,537 accounts (https://haveibeenpwned.com/Breach/Harvard)

## Sources

- 2026-11-03 Have I Been Pwned: Harvard data breach exposes 850,537 accounts https://haveibeenpwned.com/Breach/Harvard
- 2026-11-03 BleepingComputer: Harvard University data breach exposed info of 851,000 accounts https://bleepingcomputer.com/news/security/harvard-university-data-breach-exposed-info-of-851-000-accounts

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.