HackingTelecom & MediaInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

KC Installation, LLC

bd_b9823ee0a28e3b4b · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 22, 2025

Filed

Feb 25, 2026

To disclose

27 weeks

Affected

6state residents only

Linked

6 filings

Confidence

66%

Full breach record for KC Installation, LLC →

KC Installation, LLC (d/b/a KCI Telecommunications) notified the NH Attorney General of a data event affecting approximately 6 New Hampshire residents. On August 22, 2025, KCI identified suspicious activity and determined an unknown actor accessed and copied files containing names and Social Security numbers. The company engaged third-party forensics, notified law enforcement, and implemented enhanced security controls. Affected individuals were notified on February 25, 2026, and offered one year of credit monitoring.

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Incident timeline

discovery → filing · 27 weeks / 187 days

Aug 22, 2025

Begins

Aug 22, 2025

Discovered

Feb 25, 2026

Filed

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Massachusetts State AGbd_0baa692488a315f32026-02-25Verified
Maine State AGbd_1a8c091a1761a0382026-02-25Candidate
Vermont State AGbd_2f286201c5cc87122026-02-25Verified
Nebraska State AGbd_adab2df3aae70ac82026-02-25Verified

Show 1 more filing ↓

Indiana State AGbd_b6ac599171fbe1942026-02-25Verified

Name: KC Installation, LLC, d/b/a KCI Telecommunications
norm: kc installation

Name: KC Installation, LLC
norm: kc installation
Domain: kcillc.com
Also named: KC Installation, LLCdba oflegal entity
KCI Telecommunicationsdba oftrade name
Industry: Telecom & Mediallm

Discovered: Aug 22, 2025
Breach occurred: Aug 22, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 25, 2026
Affected individuals: 6state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Provided written notice to appropriate state regulators

During the incident: Immediately took steps to secure its systems
Launched an investigation with the assistance of third-party cybersecurity and digital forensics specialists
Reported the event to federal law enforcement
Undertook a comprehensive third-party data review of the potentially impacted data
Completed a time-intensive internal review of the records
Provided written notice to potentially affected individuals
Provided access to credit monitoring and identity restoration services for one (1) year, through Experian
Established a dedicated assistance telephone line
Changes made: Reviewing existing policies and procedures
Working to implement additional cybersecurity safeguards
Implemented enhanced certain administrative and technical controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(187 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Massachusetts State AGFeb 25 · first

Maine State AGFeb 25 · first

Vermont State AGFeb 25 · first

Nebraska State AGFeb 25 · first

Indiana State AGFeb 25 · first

New Hampshire State AGFeb 25 · first · 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/kc-installation-kci-telecommunications-20260225.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 25, 2026
Raw hash: 57b63ea349ae0089be8cf7c2611667b8c5e79709d94b3681f17e1aba7754612f

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityKC Installation, LLC, d/b/a KCI Telecommunications

Victim entityKC Installation, LLC

Incidentdiscovered Aug 22, 2025

Stated responseImmediately took steps to secure its systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov