UnknownPCIFinancial accountMedium

AMERICAN EXPRESS COMPANY

bd_89041f4dc5966fc1 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Mar 26, 2018

To disclose

—

Affected

12,475state residents only

Confidence

95%

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

American Express Company reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2018-03-26. 12,475 Massachusetts residents were affected. The report records the breach type as electronic.

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Incident timeline — partial

? — ?

Breach window unknown

Mar 26, 2018

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.Confirmed12,475 affectedView incident

Name: AMERICAN EXPRESS COMPANY
norm: american express
Domain: americanexpress.com

Name: AMERICAN EXPRESS COMPANY
norm: american express
Domain: americanexpress.com

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 12,475state-resident count only
Data types: PCI
Data elements: Payment card number
Stated not affected: Social Security numberFinancial account numberDriver's licence number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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.

Source URL: https://www.mass.gov/doc/data-breach-report-2018/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 26, 2018
Raw hash: 39c0ecc90791f8a0f81aa9b852265d87f680456db88bd61a6925fbe7c320917e

Reporting entityAMERICAN EXPRESS COMPANY

Victim entityAMERICAN EXPRESS COMPANY

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov