GERSON LEHRMAN GROUP, INC.
ent_019e5c81dc690149d4c84cd4dfa8528d
Disclosures
7
State AG · 7 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
152,621
as filed · State AG ME
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- GERSON LEHRMAN GROUP, INC.
- Normalized
- gerson lehrman— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- 549300XXHXY6PUZO5N30
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (7)newest first
- 🦫Oregon State AGas victim2024-03-12
Gerson Lehrman Group, Inc. reported a data breach to the Oregon Attorney General. The breach was reported on 2024-03-12. The breach occurred during 11/12/2023 - 11/13/2023. The breach was discovered on 2/5/2024. Notice was sent on 3/12/2024.
- 🦞Maine State AGas victim2024-03-12
Gerson Lehrman Group, Inc. reported an external system breach that occurred on November 12, 2023, and was discovered on February 5, 2024. The breach affected 152,621 individuals, compromising their names and Social Security numbers. Gerson Lehrman Group began notifying the impacted individuals on March 12, 2024, and offered 12 months of identity monitoring services.
- 🐻California State AGas victim2024-03-12
On November 12, 2023, Gerson Lehrman Group (GLG) experienced a ransomware incident in which an unauthorized third party accessed data from GLG's computer systems. Affected personal information may include name and other personal elements. GLG activated its incident response plan, engaged cybersecurity firms, and is offering complimentary CyEx Identity Defense Total credit monitoring to affected individuals.
- 🦬Montana State AGas victim2024-03-12
Gerson Lehrman Group, Inc reported a data breach to the Montana Attorney General. The breach was reported on 2024-03-12. The breach occurred from 5/29/2023 to 5/30/2023. 1,808 Montana residents were affected.
- 🍁Vermont State AGas victim2024-03-12
Gerson Lehrman Group (GLG) disclosed a ransomware incident on November 12, 2023, where an unauthorized third party accessed its computer systems. GLG activated its incident response plan, engaged cybersecurity firms, and hardened systems. The breach potentially impacted names and government identifiers (e.g., SSN) for individuals in multiple states, including Vermont and Rhode Island. GLG offered complimentary credit monitoring via CyEx Identity Defense Total.
- ⛰️New Hampshire State AGas victim2024-03-12
Gerson Lehrman Group, Inc. reported a ransomware incident on November 12, 2023, affecting personal information of 710 New Hampshire residents. GLG activated its incident response plan, engaged forensic experts, and notified federal law enforcement. Affected data included names and other PII. Remediation included enhanced access controls and employee retraining. Credit monitoring was offered to affected individuals.
- 🌲Washington State AGas victim2024-03-12
Gerson Lehrman Group, Inc., a business sector entity reported a ransomware incident to the Washington Attorney General. The organization became aware of the incident on 2023-11-12 and filed notice on 2024-03-12. 3,734 Washington residents were affected. 121 days elapsed between awareness and notification. 0 days to identify the breach. 1 days to contain the breach.