HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDHighContained

Berkeley Research Group, LLC

bd_e690139f35bc96c7 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 2, 2025

Filed

Oct 30, 2025

To disclose

35 weeks

Affected

14,620state residents only

Linked

18 filings

Confidence

64%

Full breach record for Berkeley Research Group, LLC →2 incidents on file

Berkeley Research Group, LLC (BRG) reported a data incident in South Carolina where an unauthorized actor accessed BRG's network from February 28, 2025, to March 2, 2025. The actor copied personal information, including names, Social Security numbers, and dates of birth, from BRG's systems. BRG contained the breach, rotated credentials, and rebuilt systems. They are cooperating with federal law enforcement and offering 24 months of free credit monitoring via Kroll to affected individuals.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due35 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 · 2 days

discovery → filing · 35 weeks / 242 days

Feb 28, 2025

Begins

Mar 2, 2025

Discovered

Oct 30, 2025

Filed

vs. sector median

+16 wks slower

This filing is one of 18 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Indiana State AGbd_06ebefc7f97e85ca2025-10-30Verified
Delaware State AGbd_2a046fc71456eb422025-10-30Verified
Maine State AGbd_2c1bbb217d4cbdd92025-10-30Verified
Washington State AGbd_6c0354305e3a6be42025-10-30Verified

Show 6 more filings ↓up to 306d gap

Iowa State AGbd_6dba8563613846962025-10-30Candidate
New Hampshire State AGbd_8e1428d30760a8be2025-11-03 · +4dVerified
Texas State AGbd_2fde5d09d3ecf17e2025-11-04 · +5dVerified
California State AGbd_43485585b80a53ad2026-08-31 · +305dVerified
Vermont State AGbd_588a69c301064b742026-08-31 · +305dVerified
Texas State AGbd_ae2de8dfc27206ea2026-09-01 · +306dVerified

Showing first 10 of 17 linked disclosures.

Name: Berkeley Research Group, LLC
norm: berkeley research

Name: Berkeley Research Group, LLC
norm: berkeley research
Industry: Professional Servicesllm

Discovered: Mar 2, 2025
Breach occurred: Feb 28, 2025 – Mar 2, 2025
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 14,620state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: reporting this matter to additional authorities
Initial access: exploit_public_facing

During the incident: Deployed enhanced endpoint threat detection
Rotated user credentials
Rebuilding impacted systems
Cooperating with federal law enforcement
Changes made: Secured services of Kroll to provide identity monitoring at no cost for twenty-four (24) months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 35 weeks(242 days from discovery to filing)
Compliance flags: SC CRA notice due
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.

Filing propagation · 11 filings · 10 states

View merged incident ↗

Indiana State AGOct 30 · first

Delaware State AGOct 30 · first

Maine State AGOct 30 · first

Washington State AGOct 30 · first

Iowa State AGOct 30 · first

South Carolina State AGOct 30 · first · this page

New Hampshire State AG+4d

Texas State AG+5d

California State AG+305d

Vermont State AG+305d

Texas State AG+306d

Pattern: first filing Oct 30 (IN), last Sep 1 (TX) — a 306-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 17 — the full spread may be wider.

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/2025/Consumer%20Letter%20-%20Berkeley%20Research%20Group%2C%20LLC.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 30, 2025
Raw hash: 9a35755bd74483227df6019341d1fc0d37ef36ffb85c50fc147f11ec070c441b

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityBerkeley Research Group, LLC

Victim entityBerkeley Research Group, LLC

Incidentdiscovered Mar 2, 2025

Stated responseDeployed enhanced endpoint threat detection

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov