UnknownGovernment IDFinancial accountMedium

MASSMUTUAL HOLDING LLC

bd_a669299085c1de10 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Feb 21, 2018

To disclose

—

Affected

17state residents only

Confidence

95%

Full breach record for MASSMUTUAL HOLDING LLC →4 incidents on file

MassMutual reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2018-02-21. 17 Massachusetts residents were affected. The report records the breach type as electronic.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Feb 21, 2018

Filed

—

No filing yet · watching

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed17 affectedView incident

Name: MASSMUTUAL HOLDING LLC
norm: massmutual holding

Name: MASSMUTUAL HOLDING LLC
norm: massmutual holding

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 17state-resident count only
Data types: Government IDFinancial account
Data elements: Social Security numberFinancial account number
Stated not affected: Driver's licence numberPayment card 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: Feb 21, 2018
Raw hash: 128ab865b1bcd2d9138dd79b8022e6fea771e1eeae497c8ad5c534f18f30a1c6

Reporting entityMASSMUTUAL HOLDING LLC

Victim entityMASSMUTUAL HOLDING LLC

IncidentUnknown

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov