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Weekly breach brief

Data breaches in the week of 2–8 March 2026

41 data breaches on the tracker, 41 confirmed by the organisation or a regulator.

Breaches
41
Notices in CA and WA
17
Ransomware claims
223
Largest
1.1M

The largest

  1. KomikoAI 1,060,191 accounts
  2. Provecho 712,904 accounts
  3. Lovora 495,556 accounts
  4. EP Wealth Advisors, LLC 53,952 people United States
  5. Service Lighting, Inc. 25,736 people United States
  6. US Mortgage Corporation 13,271 people United States

Every breach this week, by country

United States 38

Country being checked 3

  • KomikoAI 2 March 2026 · 1,060,191 accounts
  • Provecho 3 March 2026 · 712,904 accounts
  • Lovora 2 March 2026 · 495,556 accounts

Ransomware claims

Gangs named 223 organisations on their leak sites this week, against 228 the week before. A claim is the gang’s word, not a confirmed breach.

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.