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Enforcement · Class-action lawsuit

Flagstar Bank reaches $31.5M settlement over 2021 data breaches affecting 2.2M people

Federal

Flagstar Bank agreed to pay $31.5 million to settle class-action claims stemming from two 2021 data breaches, linked to vulnerabilities in Accellion's file-transfer software, that together exposed personal information belonging to roughly 2.2 million customers. In one of the incidents, Flagstar paid hackers a $1 million ransom in an attempt to get stolen data deleted.

Why it matters A bank paid hackers a ransom to delete stolen data, then still had to pay $31.5 million to the customers whose data was stolen in the first place.
Read the primary source
Bloomberg Law
Open source

Published by Editorial on Sep 23, 2026. Not independently re-checked against the primary source — read it via the link above.

This summary is DataGrail's own plain-language account, written for privacy practitioners. It is not legal advice. For the authoritative text, follow the primary-source link above.