HackingFinancial ServicesProfessional ServicesFinanceData ExfiltratedTargetedIdentity (basic)LowContained

GC Services

bd_4eed0dc1feab88d6 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 16, 2024

Filed

Jan 30, 2024

To disclose

14 days

Affected

Not disclosed

Linked

11 filings

Confidence

65%

Full breach record for GC Services →

GC Services notified consumers of a data security incident where unauthorized access to its network occurred between September 11 and September 20, 2023. Personal information, including names and variable data elements, may have been acquired. GC Services engaged external cybersecurity experts, notified the FBI, and offered credit monitoring services through IDX.

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Vermont clock✓ VT AG ≤14 bday14 days 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 · 127 days

discovery → filing · 14 days

Sep 11, 2023

Begins

Jan 16, 2024

Discovered

Jan 30, 2024

Filed

vs. sector median

6 wks faster

This filing is one of 11 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

New Hampshire State AGbd_459779589b5e856c2024-01-30Verified
Maine State AGbd_fc32c57d587034792024-01-30Verified
Massachusetts State AGbd_bdb8adf089457bf62024-01-31 · +1dVerified
Maine State AGbd_3f8368515ad2e05c2024-01-25 · +5dCandidate

Show 6 more filings ↓up to 23d gap

New Hampshire State AGbd_8725b4ef8674e1b32024-01-25 · +5dVerified
Montana State AGbd_af38af1c89b597972024-01-25 · +5dVerified
Indiana State AGbd_c4f44f2ed5304f062024-01-25 · +5dVerified
Massachusetts State AGbd_c80b37a48adddb662024-01-25 · +5dVerified
Maine State AGbd_cff61c307f5362562024-02-21 · +22dVerified
Massachusetts State AGbd_0397e70bb14181412024-02-22 · +23dVerified

Name: GC Services
norm: gc services

Name: GC Services
norm: gc services
Industry: Financial ServicesllmProfessional Servicesllm

Discovered: Jan 16, 2024
Breach occurred: Sep 11, 2023 – Sep 20, 2023
Undetected for: 127 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jan 30, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of Investigation

During the incident: Launched an investigation with the support of external cybersecurity experts
Took steps to secure our network
Notified the Federal Bureau of Investigation
Offering you access to credit monitoring and identity theft protection services through IDX, A ZeroFox Company
Changes made: Took steps to help prevent a similar incident from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 days(14 days from discovery to filing)
Compliance flags: VT AG ≤14 bday
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 · 6 states

View merged incident ↗

Maine State AGJan 25 · first

New Hampshire State AGJan 25 · first

Montana State AGJan 25 · first

Indiana State AGJan 25 · first

Massachusetts State AGJan 25 · first

New Hampshire State AG+5d

Maine State AG+5d

Vermont State AG+5d · this page

Massachusetts State AG+6d

Maine State AG+27d

Massachusetts State AG+28d

Pattern: first filing Jan 25 (ME), last Feb 22 (MA) — a 28-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://ago.vermont.gov/document/2024-01-30-gc-services-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 30, 2024
Raw hash: 45e1e98f8817c8f2fe9c83e2719e39d161774431d9dd969a798952bf2dcf6fd2

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityGC Services

Victim entityGC Services

Incidentdiscovered Jan 16, 2024

Stated responseLaunched an investigation with the support of external cybersecurity experts

ComplianceVT AG ≤14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov