Data breaches

Search incidents by company, country, industry, year and attack method. Review affected data, impact, verification status, company responses and sources.

382 results
Investigating

Madera Community Hospital: files may have been acquired after network intrusion

Possible data leak: An unauthorised party accessed the network for two days in late May 2025; the hospital believes files were acquired from part of the network but found no definitive proof that files with personal or health information were taken.

Confirmed

TriWest Healthcare Alliance: information accessed and downloaded

Unauthorised activity was found on April 16, 2026; a person accessed and downloaded some TriWest information, which may have included names, DoD benefits numbers, ZIP codes and authorisation request types.

Confirmed

Yellow Corporation: files exfiltrated from network

Certain files on the network were accessed and exfiltrated without permission on March 27, 2025; most of the information relates to former employees.

Confirmed

Hausfeld: files accessed and/or acquired

An unknown unauthorised actor accessed certain systems between January 23 and February 20, 2025 and accessed and/or acquired files.

Confirmed

AgelessRx: help-desk tickets accessed

Between April 17 and 22, 2026, an unauthorised actor accessed certain help-desk tickets that contained users’ information.

Confirmed

First Advantage: employee inbox downloaded after phishing

A Drug & Occupational Health Screening Unit employee’s account was compromised by sophisticated phishing around November 13, 2025, and the inbox contents were downloaded.

Investigating

Alcott HR: personal data may have been accessed

After unusual activity in February 2025, Alcott found an unauthorised user accessed systems storing personal data; a review completed March 2026 found names, SSNs and dates of birth may have been accessed.