HackingFinancial ServicesFinanceCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

BNY Mellon, National Association

bd_1d659b325ce708c1 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Mar 10, 2026

Filed

Apr 11, 2026

To disclose

5 weeks

Affected

15state residents only

Confidence

65%

Full breach record for BNY Mellon, National Association →3 incidents on file

BNY Mellon National Association discovered on March 10, 2026, that an unauthorized individual potentially accessed personal information on a system supporting the EY employee Profit Sharing Plan. Affected data may include name, SSN, home address, bank account/routing numbers, and payment info. Access was revoked immediately. No evidence of data misuse was found. Identity protection services are being offered.

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Massachusetts clock⏱ MA AG >30d5 weeks discovery → filing

Incident timeline

discovery → filing · 5 weeks / 32 days

Mar 10, 2026

Discovered

Apr 11, 2026

Filed

vs. sector median

5 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed15 affectedView incident

Name: BNY Mellon, National Association
norm: bny mellon national

Name: BNY Mellon, National Association
norm: bny mellon national
Industry: Financial Servicesllm

Discovered: Mar 10, 2026
Materiality determined: —
Notification sent: Apr 1, 2026
Affected individuals: 15state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unknown
Threat actor: External

During the incident: Ensured the unauthorized access was revoked
Launched an investigation
Implemented remediation measures
Providing identity theft protection services through IDX
Changes made: Implemented remediation measures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(32 days from discovery to filing)
Compliance flags: MA AG >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

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/2026-559-bny-mellon-national-association/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 11, 2026
Raw hash: 96382263df5c6d15004b75cad176429e2fead14ab949dde47c04b9e533125748

Reporting entityBNY Mellon, National Association

Victim entityBNY Mellon, National Association

Incidentdiscovered Mar 10, 2026

Stated responseEnsured the unauthorized access was revoked

ComplianceMA AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov