Flagstar Bank

1 breach837K affected in allFinanceflagstar.com

Fiserv MOVEit breach exposes 837,390 Flagstar customersVendor breach exposed names and Social Security numbers. Reported to the California AG.Vendor breach837K affectedFinanceUSOct 5, 2023

About

Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

campaign2026-09-25

Flagstar Bank, 2023-10-05moveit-2023

attack2026-09-25

Flagstar Bank, 2023-10-05third-party

data_types2026-09-25

Flagstar Bank, 2023-10-05["names","ssn"]

records_basis2026-09-25

Flagstar Bank, 2023-10-05organization

records2026-09-25

Flagstar Bank, 2023-10-05837390

summary2026-09-25

Flagstar Bank, 2023-10-05Flagstar Bank said its payment processing vendor Fiserv was breached in the MOVEit attacks, exposing names and Social Security numbers of 837,390 US customers. It was Flagstar's third breach since 2021.

title2026-09-25

Flagstar Bank, 2023-10-05Fiserv MOVEit breach exposes 837,390 Flagstar customers

domain2026-09-25

Flagstar Bankflagstar.com

attack2026-09-25

Flagstar Bank, 2023-10-05ransomware

discovered2026-09-25

Flagstar Bank, 2023-10-052023-08-03

disclosed2026-09-25

Flagstar Bank, 2023-10-052023-10-05

Added2026-09-25

Flagstar Bank, 2023-10-05

Added2026-09-25

Flagstar Bank