BreachCensus

Flagstar Bank, FSB

United States of America

Flagstar Bank, FSB is an organisation in Washington. It appears on the Massachusetts Attorney General breach-notification register, the California Attorney General breach-notification register and the Washington State Attorney General breach-notification register with 2 confirmed incidents (4 filings); the most recent notice was filed on June 17, 2022.

Data as of September 6, 2026.

Confirmed incident

Filed in WA, CA, HI and MA — Unauthorized Access/Disclosure

The same incident was filed separately with 4 jurisdictions within a few days of each other (WA, CA, HI and MA) — shown here as one incident.

Occurred
December 3, 2021
Disclosed
June 17, 2022

Timeline

  1. June 17, 2022
    Reported to regulator Regulator

    MA AG breach notification: 11,369 Massachusetts residents affected

    source
  2. June 17, 2022
    Reported to regulator Regulator

    WA AG breach notification: 34,026 Washington residents affected

    source
  3. June 17, 2022
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  4. June 17, 2022
    Reported to regulator Regulator

    HI AG breach notification: 2,115 Hawaii residents affected

    source
What a Washington notice means

Required under RCW 19.255.010. Notice to the Attorney General is required when a breach affects more than 500 Washington residents.

Note: the count is Washington residents only, not a total.

Washington breach-notification register ↗

What a California notice means

Required under Cal. Civ. Code §1798.82. A copy of the notification must be sent to the Attorney General when a single breach requires notifying more than 500 California residents.

Note: no affected-count is published on this register.

California breach-notification register ↗

What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Confirmed incident

Filed in WI, CA, WA and MA

The same incident was filed separately with 4 jurisdictions within a few days of each other (WI, CA, WA and MA) — shown here as one incident.

Occurred
January 22, 2021
Disclosed
March 15, 2021

Timeline

  1. March 15, 2021
    Reported to regulator Regulator

    WA AG breach notification: 61,006 Washington residents affected

    source
  2. March 15, 2021
    Reported to regulator Regulator

    CA AG breach notification: an unknown number of California residents affected

    source
  3. March 15, 2021
    Reported to regulator Regulator

    WI AG breach notification: an unknown number of Wisconsin residents affected

    source
  4. March 15, 2021
    Reported to regulator Regulator

    MA AG breach notification: 18,410 Massachusetts residents affected

    source