DisclosureLens
UnknownPCIFinancial accountLow

AMERICAN EXPRESS COMPANY

bd_02059487a607cbd9 · schema v1 · pii pii-v1

Severity

Low

Discovered

—

Filed

Sep 28, 2021

To disclose

—

Affected

53state residents only

Confidence

95%
Full breach record for AMERICAN EXPRESS COMPANY →343 incidents on file

American Express reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2021-09-28. 53 Massachusetts residents were affected. The report records the breach type as electronic.

Incident timeline — partial

? — ?

Breach window unknown

Sep 28, 2021

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed53 affectedView incident

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.