MalwareProfessional ServicesProfessional ServicesRansomwareRansom DemandedIdentity (basic)MediumContained

GERSON LEHRMAN GROUP, INC.

bd_5ed22e7a141700a5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 12, 2024

To disclose

—

Affected

1,487state residents only

Linked

10 filings

Confidence

67%

Full breach record for GERSON LEHRMAN GROUP, INC. →2 incidents on file

Gerson Lehrman Group (GLG) disclosed a ransomware incident where an unauthorized third party accessed data from GLG's computer systems. The incident impacted personal information including names. GLG activated its incident response plan, engaged cybersecurity firms, and offered complimentary credit monitoring services to affected individuals.

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South Carolina clock✓ SC CRA notice due

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Mar 12, 2024

Filed

—

Corroborated · see linked filings

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

This filing is one of 10 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (9) · sorted by filing gap

Oregon State AGbd_30321db2548f181f2024-03-12Candidate
Maine State AGbd_40f515c14974b0852024-03-12Verified
California State AGbd_690a00405f09498b2024-03-12Verified
Montana State AGbd_6a5c413bc2a8a1102024-03-12Verified by operator

Show 5 more filings ↓up to 1d gap

Indiana State AGbd_7401d65ed4c18ce72024-03-12Verified
Vermont State AGbd_8477b7863a3765852024-03-12Verified
New Hampshire State AGbd_956c9ae2eb034ab42024-03-12Verified
Washington State AGbd_a6d110a2d0e028302024-03-12Verified
Massachusetts State AGbd_c965169beffea6d02024-03-13 · +1dVerified

Name: GERSON LEHRMAN GROUP, INC.
norm: gerson lehrman

Name: GERSON LEHRMAN GROUP, INC.
norm: gerson lehrman
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 1,487state-resident count only
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Activated its incident response plan
Engaged a national cybersecurity firm to assist in assessing the scope of the incident
Retained additional cybersecurity experts to aid us in reviewing and revising our security protocols and to harden our systems
Took steps to mitigate the potential impact of the incident
Changes made: Arranged for you to activate, at no cost to you, CyEx’s Identity Defense Total
Source: Quoted from the filing itself, not independently verified.

Compliance flags: SC CRA notice due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 10 states

View merged incident ↗

Oregon State AGMar 12 · first

Maine State AGMar 12 · first

California State AGMar 12 · first

Montana State AGMar 12 · first

Indiana State AGMar 12 · first

Vermont State AGMar 12 · first

New Hampshire State AGMar 12 · first

Washington State AGMar 12 · first

South Carolina State AGMar 12 · first · this page

Massachusetts State AG+1d

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://consumer.sc.gov/sites/consumer/files/Documents/Security%20Breach%20Notices/GersonLehrmanGroupInc.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 12, 2024
Raw hash: 6ef94ab8d5a425f050bc829a7e9a792266d97a6e9b0cbc6b557b88a7a1b0725f

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityGERSON LEHRMAN GROUP, INC.

Victim entityGERSON LEHRMAN GROUP, INC.

IncidentRansomware

Stated responseActivated its incident response plan

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov