Flagstar Bank, FSB

Disclosed Mar 15, 20215 years ago1,465,002 affectedConfirmed

Official notice

What is known

People affected	1,465,002 (as reported by the organization)
Disclosed	Mar 15, 2021
Discovered	Jan 24, 2021
Happened	Jan 20, 2021
Attack	Hacking
Data exposed	Not stated
Sector	Finance · US
Status	Confirmed

Sources

Source	Kind
California Attorney General breach notice: Flagstar Bank, FSBoag.ca.gov · Official notice	Official notice
Washington Attorney General breach notice: Flagstar Bank, FSBatg.wa.gov · Official notice	Official notice
Oregon DOJ breach notice: Flagstar Bank, FSBjustice.oregon.gov · Official notice	Official notice
Indiana Attorney General 2021 data breach report: Flagstar Bank, FSBin.gov · Official notice	Official notice

Notices filed

Where	Filed	People
California AGresidents of CA	Mar 15, 2021
Washington AGresidents of WA	Mar 15, 2021	61,006
Oregon DOJresidents of OR	Mar 15, 2021	1,465,002
Indiana AGresidents of IN	Mar 15, 2021	30,506

Other breaches at Flagstar Bank, FSB

Breach	Disclosed	Attack	Sector	Status	Affected
Disclosed Jun 17, 2022Jun 17, 20224 years agoHacking	Jun 17, 20224 years ago	Hacking	Finance	Confirmed	Unknown

History of this record

2026-09-25 · records_basis: empty to organization · backfill source
2026-09-25 · records: empty to 1465002 · backfill source
2026-09-25 · attack: unknown to hacking · backfill source
2026-09-25 · discovered: empty to 2021-01-24 · backfill source
2026-09-25 · added · backfill source

First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.

Everything about Flagstar Bank, FSB

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