HackingTechnologyInformationStolen CredentialsData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDMediumContained

Basement Systems

bd_51292835c7972afb · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 13, 2024

Filed

Aug 2, 2024

To disclose

12 weeks

Affected

1state residents only

Linked

5 filings

Confidence

66%

Full breach record for Basement Systems →

Basement Systems, Inc. notified the NH AG of a data security incident discovered on May 13, 2024. Unauthorized access occurred between April 12 and May 14, 2024, potentially exposing employee names and SSNs. One NH resident was affected. The company engaged forensic investigators, notified the FBI, and provided credit monitoring services.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d12 weeks discovery → filing

Incident timeline

undetected · 31 days

discovery → filing · 12 weeks / 81 days

Apr 12, 2024

Begins

May 13, 2024

Discovered

Jul 3, 2024

Scope determined

Aug 2, 2024

Filed

vs. sector median

7 wks faster

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

A leak claim by cicada3301 about this victim predates this filing by 45 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecicada3301bd_8734708b29263a7b2024-06-18 · +45dCandidate

Regulatory filings (3) · sorted by filing gap

Vermont State AGbd_2561b25c5338bedd2024-08-02Verified
Maine State AGbd_44eb918dcc7cf5252024-08-02Verified by operator
Massachusetts State AGbd_90bfd657a0d8bbf72024-08-03 · +1dVerified by operator

Name: Basement Systems
norm: basement systems
Domain: basementsystems.com

Name: Basement Systems
norm: basement systems
Domain: basementsystems.com
Industry: Technologyllm

Discovered: May 13, 2024
Breach occurred: Apr 12, 2024 – May 14, 2024
Undetected for: 31 daysoccurrence → discovery
Materiality determined: Jul 3, 2024
Notification sent: —
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Attorney General John Formella
Initial access: valid_credentials

During the incident: Engaged cybersecurity experts to conduct an investigation
Engaged a nationally-recognized digital forensics firm to conduct an independent investigation
Notified the Federal Bureau of Investigation
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance through Cyberscout, a TransUnion company
Changes made: Implemented aggressive measures to enhance network security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 12 weeks(81 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Vermont State AGAug 2 · first

Maine State AGAug 2 · first

New Hampshire State AGAug 2 · first · this page

Massachusetts State AG+1d

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/basement-systems-20240802.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 2, 2024
Raw hash: 9fcad158581f198f976f64d6d4e8d88a24ffcdc2ad85d19d78b824b5013e896d

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityBasement Systems

Victim entityBasement Systems

Incidentdiscovered May 13, 2024

Stated responseEngaged cybersecurity experts to conduct an investigation

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov