Weekly breach brief
Data breaches in the week of 23 Feb – 1 Mar 2026
50 data breaches on the tracker, 50 confirmed by the organisation or a regulator.
- Breaches
- 50
- Notices in CA and WA
- 23
- Ransomware claims
- 228
- Largest
- 38.3M
The largest
- Canadian Tire 38,306,562 accounts Canada
- Odido 6,077,025 accounts Netherlands
- Pyramid Advisors Limited Partnership d/b/a Pyramid Global Hospitality 139,899 people United States
- Empowerment Solutions - Healthcare Ltd & Texas Medical Careers Limited 70,823 people United States
- Madison Square Garden Entertainment Corp 38,393 people United States
- Law Offices of James Scott Farrin 29,008 people United States
Every breach this week, by country
United States 48
- QualDerm Partners, LLC 23 February 2026 · 3,117,874 Oregon residents
- Bolt Solutions Inc. (“bolt”) 26 February 2026 · 140,249 Washington residents
- Pyramid Advisors Limited Partnership d/b/a Pyramid Global Hospitality 25 February 2026 · 139,899 people
- Drivestream, Inc. 27 February 2026 · 91,108 Oregon residents
- Empowerment Solutions - Healthcare Ltd & Texas Medical Careers Limited 27 February 2026 · 70,823 people
- Madison Square Garden Entertainment Corp 26 February 2026 · 38,393 people
- Law Offices of James Scott Farrin 27 February 2026 · 29,008 people
- 360training.com, Inc. 24 February 2026 · 24,594 people
- CommonSpirit Health (Pinnacle Holdings, LTD) 25 February 2026 · 19,027 Washington residents
- Jackson Hospital and Clinic 27 February 2026 · 14,485 people
- Hennessy Advisors, Inc. 23 February 2026 · 12,643 people
- Couve Healthcare Consulting LLC DBA Evergreen Healthcare Group 24 February 2026 · 11,795 people
- PIH Health, Inc. 27 February 2026 · 8,434 Texas residents
- New Age Dermatology Inc 23 February 2026 · 8,387 people
- City of Houston Health Department 25 February 2026 · 7,745 Texas residents
- Maritz Holdings Inc. (“Maritz”) 27 February 2026 · 4,906 people
- Movagar & Yamin PLC 27 February 2026 · 4,865 people
- Tyree Oil Inc 23 February 2026 · 4,821 people
- Fort Scott Community College 23 February 2026 · 4,021 people
- Home Care Patient Services; Bridgeway Health Services; Kamcare Home Health Services LLC; Agape Home Care Services LLC 27 February 2026 · 3,600 Texas residents
- Nacca & Capizzi LLP 25 February 2026 · 3,513 people
- Pyramid Global Hospitality (Pyramid Advisors Limited Partnership) 25 February 2026 · 3,434 Washington residents
- Clarksville Independent School District 25 February 2026 · 2,980 Texas residents
- Medinah School District 11 (MSD 11) 25 February 2026 · 2,971 people
- Lobar Inc 24 February 2026 · 2,963 people
- Adapt Oregon Health Care 24 February 2026 · 2,908 Oregon residents
- KCI Installation LLC dba KCI Telecommunications 25 February 2026 · 2,860 people
- Flash Charm, Inc. d/b/a Idera 26 February 2026 · 2,015 people
- New American Funding 27 February 2026 · 1,942 Texas residents
- Lakeside Pediatrics & Adolescent Medicine, PLLC 27 February 2026 · 1,314 Washington residents
- Lymphedema Therapy Specialists, Inc. 27 February 2026 · 378 Texas residents
- Evoke Wellness at Hilliard 27 February 2026 · 261 people
- Wiley Rein LLP 26 February 2026 · 247 people
- Fockler Financial LLC 27 February 2026 · 240 people
- Miz Mooz Inc 26 February 2026 · 225 people
- Hurix Digital Inc 23 February 2026 · 201 people
- TDH Inc dba Chi Rho Chiropractic Health & Wellness 27 February 2026 · 141 people
- Hall Aluminum Products 25 February 2026 · 130 people
- John Michael Kohler Arts Center (JMKAC) 23 February 2026 · 95 people
- Columbus Regional Hospital and Columbus Regional Health Physicians LLC 27 February 2026 · 46 people
- Law Offices of Robert P. Gaffney 23 February 2026 · 20 people
- Frankel Loughran Starr & Vallone LLP 26 February 2026 · 1 Indiana residents
- Melzer's Fuel Service, Inc. 26 February 2026 · 1 Wisconsin residents
- Industrial Federal Credit Union 25 February 2026 · 1 people
- Volunteers of America Ohio & Indiana 24 February 2026 · 1 people
- M&Y Personal Injury Lawyers 27 February 2026
- DC Professional Tax Service 26 February 2026
- Ufp Technologies Inc 24 February 2026
Canada 1
- Canadian Tire 25 February 2026 · 38,306,562 accounts
Netherlands 1
- Odido 26 February 2026 · 6,077,025 accounts
Ransomware claims
Gangs named 228 organisations on their leak sites this week, against 162 the week before. A claim is the gang’s word, not a confirmed breach.
- The Gentlemen 31 claims
- Qilin 27 claims
- LockBit 5.0 22 claims
- Vect 20 claims
- INC Ransom 17 claims
- Akira 11 claims
Every week
- 26 Oct – 1 Nov 2026 67 data breaches so far
- 19–25 October 2026 80 data breaches
- 12–18 October 2026 54 data breaches
- 5–11 October 2026 48 data breaches
- 28 Sept – 4 Oct 2026 68 data breaches
- 21–27 September 2026 67 data breaches
- 14–20 September 2026 71 data breaches
- 7–13 September 2026 46 data breaches
- 31 Aug – 6 Sept 2026 61 data breaches
- 24–30 August 2026 59 data breaches
- 17–23 August 2026 56 data breaches
- 10–16 August 2026 67 data breaches
- 3–9 August 2026 69 data breaches
- 27 Jul – 2 Aug 2026 60 data breaches
- 20–26 July 2026 39 data breaches
- 13–19 July 2026 50 data breaches
- 6–12 July 2026 49 data breaches
- 29 Jun – 5 Jul 2026 49 data breaches
- 22–28 June 2026 56 data breaches
- 15–21 June 2026 40 data breaches
- 8–14 June 2026 49 data breaches
- 1–7 June 2026 57 data breaches
- 25–31 May 2026 54 data breaches
- 18–24 May 2026 50 data breaches
- 11–17 May 2026 61 data breaches
- 4–10 May 2026 53 data breaches
- 27 Apr – 3 May 2026 48 data breaches
- 20–26 April 2026 41 data breaches
- 13–19 April 2026 51 data breaches
- 6–12 April 2026 38 data breaches
- 30 Mar – 5 Apr 2026 44 data breaches
- 23–29 March 2026 61 data breaches
- 16–22 March 2026 46 data breaches
- 9–15 March 2026 51 data breaches
- 2–8 March 2026 41 data breaches
- 23 Feb – 1 Mar 2026 50 data breaches
- 16–22 February 2026 45 data breaches
- 9–15 February 2026 50 data breaches
- 2–8 February 2026 46 data breaches
- 26 Jan – 1 Feb 2026 48 data breaches
- 19–25 January 2026 24 data breaches
- 12–18 January 2026 47 data breaches
- 5–11 January 2026 48 data breaches
- 29 Dec – 4 Jan 2026 30 data breaches
- 22–28 December 2025 24 data breaches
- 15–21 December 2025 26 data breaches
- 8–14 December 2025 28 data breaches
- 1–7 December 2025 20 data breaches
- 24–30 November 2025 12 data breaches
- 17–23 November 2025 32 data breaches
- 10–16 November 2025 24 data breaches
- 3–9 November 2025 24 data breaches
- 27 Oct – 2 Nov 2025 14 data breaches
- 20–26 October 2025 11 data breaches
- 13–19 October 2025 13 data breaches
- 6–12 October 2025 13 data breaches
- 29 Sept – 5 Oct 2025 16 data breaches
- 22–28 September 2025 14 data breaches
- 15–21 September 2025 18 data breaches
- 8–14 September 2025 18 data breaches
- 1–7 September 2025 9 data breaches
- 25–31 August 2025 18 data breaches
- 18–24 August 2025 14 data breaches
- 11–17 August 2025 11 data breaches
- 4–10 August 2025 11 data breaches
- 28 Jul – 3 Aug 2025 17 data breaches
- 21–27 July 2025 16 data breaches
- 14–20 July 2025 24 data breaches
- 7–13 July 2025 15 data breaches
- 30 Jun – 6 Jul 2025 14 data breaches
- 23–29 June 2025 21 data breaches
- 16–22 June 2025 9 data breaches
- 9–15 June 2025 15 data breaches
- 2–8 June 2025 15 data breaches
- 26 May – 1 Jun 2025 5 data breaches
- 19–25 May 2025 19 data breaches
- 12–18 May 2025 15 data breaches
- 5–11 May 2025 20 data breaches
- 28 Apr – 4 May 2025 15 data breaches
- 21–27 April 2025 15 data breaches
- 14–20 April 2025 10 data breaches
- 7–13 April 2025 29 data breaches
- 31 Mar – 6 Apr 2025 19 data breaches
- 24–30 March 2025 17 data breaches
- 17–23 March 2025 19 data breaches
- 10–16 March 2025 25 data breaches
- 3–9 March 2025 22 data breaches
- 24 Feb – 2 Mar 2025 61 data breaches
- 17–23 February 2025 11 data breaches
- 10–16 February 2025 14 data breaches
- 3–9 February 2025 15 data breaches
- 27 Jan – 2 Feb 2025 20 data breaches
- 20–26 January 2025 11 data breaches
- 13–19 January 2025 16 data breaches
- 6–12 January 2025 17 data breaches
- 30 Dec – 5 Jan 2025 7 data breaches
- 23–29 December 2024 9 data breaches
- 16–22 December 2024 23 data breaches
- 9–15 December 2024 18 data breaches
- 2–8 December 2024 12 data breaches
- 25 Nov – 1 Dec 2024 7 data breaches
- 18–24 November 2024 14 data breaches
- 11–17 November 2024 18 data breaches
- 4–10 November 2024 16 data breaches
- 28 Oct – 3 Nov 2024 13 data breaches
- 21–27 October 2024 14 data breaches
- 14–20 October 2024 13 data breaches
- 7–13 October 2024 22 data breaches
- 30 Sept – 6 Oct 2024 16 data breaches
- 23–29 September 2024 11 data breaches
- 16–22 September 2024 15 data breaches
- 9–15 September 2024 12 data breaches
- 2–8 September 2024 15 data breaches
- 26 Aug – 1 Sept 2024 22 data breaches
- 19–25 August 2024 16 data breaches
- 12–18 August 2024 14 data breaches
- 5–11 August 2024 17 data breaches
- 29 Jul – 4 Aug 2024 15 data breaches
- 22–28 July 2024 15 data breaches
- 15–21 July 2024 18 data breaches
- 8–14 July 2024 13 data breaches
- 1–7 July 2024 10 data breaches
- 24–30 June 2024 17 data breaches
- 17–23 June 2024 14 data breaches
- 10–16 June 2024 16 data breaches
- 3–9 June 2024 19 data breaches
- 27 May – 2 Jun 2024 20 data breaches
- 20–26 May 2024 26 data breaches
- 13–19 May 2024 12 data breaches
- 6–12 May 2024 17 data breaches
- 29 Apr – 5 May 2024 20 data breaches
- 22–28 April 2024 14 data breaches
- 15–21 April 2024 19 data breaches
- 8–14 April 2024 14 data breaches
- 1–7 April 2024 19 data breaches
- 25–31 March 2024 24 data breaches
- 18–24 March 2024 31 data breaches
- 11–17 March 2024 14 data breaches
- 4–10 March 2024 14 data breaches
- 26 Feb – 3 Mar 2024 28 data breaches
- 19–25 February 2024 15 data breaches
- 12–18 February 2024 12 data breaches
- 5–11 February 2024 17 data breaches
- 29 Jan – 4 Feb 2024 17 data breaches
- 22–28 January 2024 14 data breaches
- 15–21 January 2024 11 data breaches
- 8–14 January 2024 21 data breaches
- 1–7 January 2024 13 data breaches
- 25–31 December 2023 12 data breaches
- 18–24 December 2023 32 data breaches
- 11–17 December 2023 22 data breaches
- 4–10 December 2023 25 data breaches
- 27 Nov – 3 Dec 2023 17 data breaches
- 20–26 November 2023 19 data breaches
- 13–19 November 2023 14 data breaches
- 6–12 November 2023 13 data breaches
- 30 Oct – 5 Nov 2023 17 data breaches
- 23–29 October 2023 13 data breaches
- 16–22 October 2023 15 data breaches
- 9–15 October 2023 15 data breaches
- 2–8 October 2023 19 data breaches
- 25 Sept – 1 Oct 2023 9 data breaches
- 18–24 September 2023 21 data breaches
- 11–17 September 2023 14 data breaches
- 4–10 September 2023 14 data breaches
- 28 Aug – 3 Sept 2023 27 data breaches
- 21–27 August 2023 23 data breaches
- 14–20 August 2023 17 data breaches
- 7–13 August 2023 24 data breaches
- 31 Jul – 6 Aug 2023 20 data breaches
- 24–30 July 2023 38 data breaches
- 17–23 July 2023 25 data breaches
- 10–16 July 2023 22 data breaches
- 3–9 July 2023 10 data breaches
- 26 Jun – 2 Jul 2023 23 data breaches
- 19–25 June 2023 11 data breaches
- 12–18 June 2023 16 data breaches
- 5–11 June 2023 11 data breaches
- 29 May – 4 Jun 2023 9 data breaches
- 22–28 May 2023 18 data breaches
- 15–21 May 2023 15 data breaches
- 8–14 May 2023 14 data breaches
- 1–7 May 2023 9 data breaches
- 24–30 April 2023 17 data breaches
- 17–23 April 2023 11 data breaches
- 10–16 April 2023 17 data breaches
- 3–9 April 2023 12 data breaches
- 27 Mar – 2 Apr 2023 18 data breaches
- 20–26 March 2023 13 data breaches
- 13–19 March 2023 14 data breaches
- 6–12 March 2023 17 data breaches
- 27 Feb – 5 Mar 2023 21 data breaches
- 20–26 February 2023 7 data breaches
- 13–19 February 2023 15 data breaches
- 6–12 February 2023 9 data breaches
- 30 Jan – 5 Feb 2023 15 data breaches
- 23–29 January 2023 12 data breaches
- 16–22 January 2023 14 data breaches
- 9–15 January 2023 10 data breaches
- 2–8 January 2023 8 data breaches
- 26 Dec – 1 Jan 2023 2 data breaches
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.