Social EngineeringTechnologyFinancial ServicesInformationPhishingStolen CredentialsTargetedCustomer Data InvolvedPIIIdentity (basic)LowContained

GPD Holdings LLC

bd_7ac6c134d801698f · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 8, 2023

Filed

Jan 9, 2024

To disclose

22 weeks

Affected

13state residents only

Linked

10 filings

Confidence

66%

Full breach record for GPD Holdings LLC →

GPD Holdings, LLC d/b/a CoinFlip reported a security incident where an unauthorized third party used social engineering to compromise an employee account on August 7, 2023. The incident affected personal information of 13 New Hampshire residents. CoinFlip contained the breach, engaged forensic consultants, and enhanced MFA and security monitoring.

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Incident timeline

undetected · 1 days

discovery → filing · 22 weeks / 154 days

Aug 7, 2023

Begins

Aug 8, 2023

Discovered

Jan 9, 2024

Filed

vs. sector median

+3 wks slower

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_1138cf7024df8a8d2023-10-24 · +77dVerified
New Hampshire State AGbd_695fa07a8efe326a2023-10-24 · +77dVerified
Maine State AGbd_aacc11b29e88ad4f2023-10-24 · +77dVerified
Massachusetts State AGbd_ca0333a3eb54f8432023-10-24 · +77dVerified

Show 5 more filings ↓up to 373d gap

California State AGbd_17d3f46501cb18a42023-10-23 · +78dVerified
Vermont State AGbd_5ea2f46c0afee68f2023-10-20 · +81dVerified
Indiana State AGbd_7a84825e8e313fec2023-10-20 · +81dVerified
Montana State AGbd_ecac09bfda9a1bd52023-10-20 · +81dVerified
Illinois State AGbd_089290cdf128145c2023-01-01 · +373dCandidate

Name: GPD Holdings LLC
norm: gpd holdings

Name: GPD Holdings LLC
norm: gpd holdings
Also named: GPD Holdings, LLCdba oflegal entity
CoinFlipdba oftrade name
Industry: TechnologyllmFinancial Servicesllm

Discovered: Aug 8, 2023
Breach occurred: Aug 7, 2023 – Aug 7, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Oct 20, 2023
Affected individuals: 13state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified New Hampshire Office of the Attorney General
Initial access: phishing_link

During the incident: Removed the unauthorized third party from our environment
Retained forensic consultants to assist with the investigation and analysis of the incident
Enhanced our multi-factor authentication process
Expanded security monitoring capabilities
Reduced potential access points into CoinFlip’s environment through enhanced technical controls
Set up a support line, available 24 hours a day, 7 days a week
Changes made: Enhanced our multi-factor authentication process
Expanded security monitoring capabilities
Reduced potential access points into CoinFlip’s environment through enhanced technical controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 22 weeks(154 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 9 states

View merged incident ↗

Illinois State AGJan 1 · first

Vermont State AG+292d

Indiana State AG+292d

Montana State AG+292d

California State AG+295d

Oregon State AG+296d

New Hampshire State AG+296d

Maine State AG+296d

Massachusetts State AG+296d

New Hampshire State AG+373d · this page

Pattern: first filing Jan 1 (IL), last Jan 9 (NH) — a 373-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://mm.nh.gov/files/uploads/doj/remote-docs/gpd-holdings-dba-coinflip-20240109.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 9, 2024
Raw hash: fa746695a47e62071cbf9368af56d1e43781480a7935f1006c0d2561e502615f

Linked disclosures

Regulatory filings (9) · sorted by filing gap

Reporting entityGPD Holdings LLC

Victim entityGPD Holdings LLC

Incidentdiscovered Aug 8, 2023

Stated responseRemoved the unauthorized third party from our environment

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov