DisclosureLens
HackingFinancial ServicesProfessional ServicesFinanceStolen CredentialsCapture Stored DataCustomer Data InvolvedTargetedPIIIdentity (basic)LowContained

GC Services

bd_459779589b5e856c · schema v1 · pii pii-v1

Severity

Low

Discovered

Jan 16, 2024

Filed

Jan 30, 2024

To disclose

14 days

Affected

1state residents only

Linked

11 filings

Confidence

66%
Full breach record for GC Services

GC Services filed a supplemental notice with the New Hampshire Attorney General regarding a data security incident. Unauthorized access to the network occurred between September 11 and 20, 2023. The company discovered the incident on January 16, 2024, after detecting a computer outage. One New Hampshire resident's personal information was potentially compromised. GC Services engaged external cybersecurity experts, notified law enforcement, and offered credit monitoring services.

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

Show 6 more filingsup to 23d gap

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 · this page

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.