Capital One

United States of America

Capital One is an organisation in Massachusetts. It has filed 30 notices across 9 years with the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register, the Washington State Attorney General breach-notification register, the Delaware Attorney General data security breach database and the Wisconsin DATCP data breach list; the most recent notice was filed on January 28, 2026.

Data as of October 17, 2026.

Sources

2026 — 3 notices (January 23, 2026 – January 28, 2026), MA

January 28, 2026 — MA source
January 26, 2026 — MA source
January 23, 2026 — MA source

2025 — 2 notices (February 11, 2025 – March 25, 2025), MA

March 25, 2025 — MA source
February 11, 2025 — MA source

2024 — 1 notice (March 28, 2024), MA

March 28, 2024 — MA source

2023 — 6 notices (March 14, 2023 – November 16, 2023), MA and WA

November 16, 2023 — MA source
June 16, 2023 — MA source
May 26, 2023 — WA and MA source
May 2, 2023 — MA source
March 21, 2023 — MA source
March 14, 2023 — MA source

2021 — 6 notices (March 26, 2021 – September 17, 2021), MA, CA, DE and WI

September 17, 2021 — MA source
June 23, 2021 — MA source
April 22, 2021 — MA source
March 31, 2021 — MA source
March 30, 2021 — MA source
March 26, 2021 — CA, DE and WI source

Notices on file

Notice filed with the Delaware Attorney General, August 8, 2019

2020 — 3 notices (July 16, 2020 – October 14, 2020), MA

October 14, 2020 — MA source
September 25, 2020 — MA source
July 16, 2020 — MA source

2019 — 7 notices (January 8, 2019 – September 18, 2019), MA

September 18, 2019 — MA source
August 12, 2019 — MA source
July 10, 2019 — MA source
May 31, 2019 — MA source
May 2, 2019 — MA source
February 7, 2019 — MA source
January 8, 2019 — MA source

2018 — 1 notice (August 9, 2018), CA

August 9, 2018 — CA source

2017 — 1 notice (February 6, 2017), CA

February 6, 2017 — CA source

Sources

Notices on file

Related

Disclosed around the same time