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, the Washington State Attorney General breach-notification register, the Hawaii Office of Consumer Protection breach-notice list and the Wisconsin DATCP data breach list 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

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
What a Washington notice means

Governed by 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

Governed by 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 Hawaii notice means

Governed by HRS §487N-2. Notice to the Office of Consumer Protection is required when a breach affects 1,000 or more Hawaii residents.

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

Hawaii breach-notification register ↗

What a Massachusetts notice means

Governed by 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 — Malware Deployment

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

Litigation

  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
  • Possible litigation — multiple candidate dockets found, not yet resolved to a single case.
What a Wisconsin notice means

Governed by Wis. Stat. §134.98. No state agency must be notified. Affected individuals must be told within 45 days, and the national credit bureaus too when 1,000 or more people are notified; DATCP lists breaches reported to it or found to affect Wisconsin consumers.

Note: the count is Wisconsin residents only when published, not a total; many notices do not include one.

Wisconsin breach-notification register ↗