HackingFinancial ServicesFinanceStolen CredentialsTargetedIdentity (basic)Financial accountGovernment IDMediumContained

GAIN CAPITAL GROUP, LLC

bd_f926992cad90808c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 15, 2020

Filed

Jun 23, 2020

To disclose

10 weeks

Affected

31state residents only

Linked

5 filings

Confidence

66%

Full breach record for GAIN CAPITAL GROUP, LLC →2 incidents on file

GAIN Capital Group, LLC notified the NH Attorney General of a security incident where unauthorized access to servers occurred between April 14-18, 2020. GAIN discovered suspicious activity on April 15, 2020. Data accessed included names, financial account info, and passport numbers for 31 NH residents. No SSNs involved. GAIN engaged forensic counsel, secured servers, and implemented enhanced monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 1 days

discovery → filing · 10 weeks / 69 days

Apr 14, 2020

Begins

Apr 15, 2020

Discovered

Jun 23, 2020

Filed

vs. sector median

+1 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_bbbf4728db5d0f542020-06-22 · +1dCandidate
Indiana State AGbd_bc4223f9d27ea9ba2020-06-22 · +1dVerified
California State AGbd_d6091f69fbfc01682020-06-22 · +1dVerified
Massachusetts State AGbd_da0f2d32666af4b12020-06-22 · +1dVerified

Name: BAKER & HOSTETLER LLP
norm: baker hostetler

Name: GAIN CAPITAL GROUP, LLC
norm: gain capital
Industry: Financial Servicesllm

Discovered: Apr 15, 2020
Breach occurred: Apr 14, 2020 – Apr 18, 2020
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Jun 22, 2020
Affected individuals: 31state-resident count only
Data types: Identity (basic)Financial accountGovernment ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General
Initial access: valid_credentials

During the incident: Started an investigation with the assistance of a leading cyber security firm
Secured the involved servers and took them offline
Changes made: Implemented additional security measures, including the deployment of enhanced monitoring and alerting software
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 weeks(69 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGJun 22 · first

Indiana State AGJun 22 · first

California State AGJun 22 · first

Massachusetts State AGJun 22 · first

New Hampshire State AG+1d · this page

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/gain-capital-20200623.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 23, 2020
Raw hash: 9e02a8a285672d0b02ad10bd41798f8163743d137c6f6925456c5de4c38dec6f

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBAKER & HOSTETLER LLP

Victim entityGAIN CAPITAL GROUP, LLC

Incidentdiscovered Apr 15, 2020

Stated responseStarted an investigation with the assistance of a leading cyber security firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov