UnknownFinancial ServicesFinanceCustomer Data InvolvedSupply Chain (3P Vendor)PIIIdentity (basic)Financial accountLowContained

Man Group

bd_9666533b5aef60bf · schema v1 · pii pii-v2

Severity

Low

Discovered

—

Filed

Sep 1, 2026

To disclose

—

Affected

19state residents only

Confidence

69%

Full breach record for Man Group →2 incidents on file

Ernst & Young LLP notified individuals on behalf of Man Group regarding a data security incident involving personal information related to investment holdings. EY, which provides tax services to Man Group, secured systems, launched a third-party investigation, and notified federal law enforcement. Affected individuals are offered 24 months of Experian IdentityWorks. The specific nature of the breach and dates of occurrence are not disclosed in the notice.

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Incident timeline — partial

? — ?

Breach window unknown

Sep 1, 2026

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.Confirmed19 affectedView incident

Name: Man Group
norm: man group
Domain: ey.com

Name: Man Group
norm: man group
Industry: Financial Servicesllm

Discovered: —
Materiality determined: —
Notification sent: Sep 24, 2026
Affected individuals: 19state-resident count only
Data types: PIIIdentity (basic)Financial account
Attack vector: Unknown
Regulator citations: Notified federal law enforcement
Third party: via Ernst & Young LLP

During the incident: Took steps to secure our systems
Launched an investigation with third-party specialists to determine the nature and scope of the event
Notified federal law enforcement of this incident
Offering complimentary access to Experian IdentityWorks for 24 months
Source: Quoted from the filing itself, not independently verified.

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/2026-1622-man-group/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 1, 2026
Raw hash: fcfe7dcb2457dcdcc332026e2384a1916501e5a8f4d626a00baf4e0af2b89810

Reporting entityMan Group

Victim entityMan Group

IncidentUnknown

Stated responseTook steps to secure our systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov