Privacy Unpacked

Weekly breach brief

Data breaches in the week of 22–28 September 2025

14 data breaches on the tracker, 14 confirmed by the organisation or a regulator.

Breaches
14
Notices in CA and WA
11
Largest
5.7M

The largest

  1. Bouygues Telecom 5,685,771 accounts France
  2. Cultura 1,462,025 accounts

Every breach this week, by country

United States 12

France 1

Country being checked 1

  • Cultura 25 September 2025 · 1,462,025 accounts
Every week

Follow the brief: one entry a week (Atom). The 2026 report has the year so far.

From the data breach tracker: official notices, breach databases and the news, every fact with its source. Open data (CC BY 4.0) · How the tracker works · Official registers · Corrections and changes · Found a mistake? Tell us and we correct it.