Skip to content

University of Sydney

Disclosed Dec 18, 20259 months ago27,000 affectedUnverified

University of Sydney breach exposes data of 27,000 staff and students

The University of Sydney said attackers stole historical datasets affecting more than 27,000 people, including about 22,500 current and former staff and affiliates and 5,000 students and alumni, with names, birth dates, contact details and job information.

What is known

People affected27,000 (as reported by the organization)
DisclosedDec 18, 2025
AttackHacking
Data exposedNames, Dates of birth, Phone numbers, Addresses, Employment, Education records
SectorEducation · AU
StatusUnverified: not yet confirmed by an official notice, a filing or the organization

Sources

Notices filed

WhereFiledPeople
ResearchtotalDec 18, 202527,000
History of this record
  • 2026-09-25 · added · seed source

First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.

Everything about University of Sydney

New breaches by email

Wednesdays, only in weeks with newly disclosed breaches, the largest first.

Double opt-in. Unsubscribe any time.