HackingFinancial ServicesFinanceStolen CredentialsCustomer Data InvolvedPIIIdentity (basic)LowContained

OneGroup

bd_007e931fdace5753 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 29, 2024

Filed

Jun 6, 2025

To disclose

45 weeks

Affected

Not disclosed

Confidence

66%

Full breach record for OneGroup →

OneGroup NY Inc. notified consumers of an unauthorized access to an employee's email account between May 6 and May 21, 2024. The incident involved personal information associated with MEMIC Indemnity workers' compensation policies. OneGroup offered 24 months of credit monitoring via TransUnion. No specific count of affected individuals was disclosed in this notice.

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Vermont clock✗ VT AG >45 bday45 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 84 days

discovery → filing · 45 weeks / 312 days

May 6, 2024

Begins

Jul 29, 2024

Discovered

Jun 6, 2025

Filed

vs. sector median

+35 wks slower

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

Name: OneGroup
norm: onegroup
Domain: onegroup.com

Name: OneGroup
norm: onegroup
Domain: onegroup.com
Industry: Financial Servicesllm

Discovered: Jul 29, 2024
Breach occurred: May 6, 2024 – May 21, 2024
Undetected for: 84 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 6, 2025
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Took steps to secure our email environment
Initiated an investigation into the nature and scope of the activity
Comprehensive programmatic and manual review of the contents of the email account was conducted
Offering you access to 24 months of complimentary credit monitoring and identity protection services through TransUnion
Changes made: Reviewing our policies and procedures to reduce the likelihood of similar future events
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 45 weeks(312 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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://ago.vermont.gov/document/2025-06-06-onegroup-ny-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 6, 2025
Raw hash: d9e83e2cff3ea0d7aecc5b92144aaaa1df09304f668707ee21876a80fa898327

Reporting entityOneGroup

Victim entityOneGroup

Incidentdiscovered Jul 29, 2024

Stated responseTook steps to secure our email environment

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov