Privacy Unpacked

Weekly breach brief

Data breaches in the week of 11–17 May 2026

61 data breaches on the tracker, 61 confirmed by the organisation or a regulator.

Breaches
61
Notices in CA and WA
17
Ransomware claims
164
Largest
711,099

The largest

  1. Abrigo 711,099 accounts
  2. Cushman & Wakefield 310,431 accounts
  3. Canada Life 237,810 accounts
  4. Cedar Valley Services Inc 79,152 people United States
  5. Hank’s Furniture, Inc. 58,119 people United States
  6. US Tiger Securities Inc. 26,985 people United States

Every breach this week, by country

United States 58

Country being checked 3

Ransomware claims

Gangs named 164 organisations on their leak sites this week, against 219 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.