HackingTelecom & MediaInformationData ExfiltratedCustomer Data InvolvedIdentity (basic)LowContained

KC Installation, LLC

bd_0baa692488a315f3 · schema v1 · pii pii-v1

Severity

Low

Discovered

Aug 22, 2025

Filed

Feb 25, 2026

To disclose

27 weeks

Affected

Not disclosed

Linked

6 filings

Confidence

65%

Full breach record for KC Installation, LLC →

KC Installation, LLC (d/b/a KCI Telecommunications) notified Massachusetts residents of unauthorized access to its network on August 22, 2025. An unknown actor accessed network segments, copying and potentially viewing files containing names and other personal information. The company engaged cybersecurity specialists, reported to law enforcement, and implemented enhanced security controls. Affected individuals are offered 24 months of credit monitoring.

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Massachusetts clock✗ MA AG >90d27 weeks discovery → filing

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

Maine State AGbd_1a8c091a1761a0382026-02-25Candidate
Vermont State AGbd_2f286201c5cc87122026-02-25Verified
Nebraska State AGbd_adab2df3aae70ac82026-02-25Verified
Indiana State AGbd_b6ac599171fbe1942026-02-25Verified

Show 1 more filing ↓

New Hampshire State AGbd_b9823ee0a28e3b4b2026-02-25Verified

Name: KC Installation, LLC
norm: kc installation
Domain: kcillc.com

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: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External

During the incident: Launched an investigation to determine the nature and scope of the activity with assistance from cybersecurity specialists
Reported the event to law enforcement
Offering complimentary credit monitoring and identity restoration services for 24 months through Experian
Changes made: Reviewed our existing policies and procedures
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: MA AG >90d
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 · 6 filings · 6 states

View merged incident ↗

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

Massachusetts 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://www.mass.gov/doc/2026-282-kc-installation-llc-dba-kci-telecommunications/download
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: 70acb65a78ff24313e7c5a46d700ea4c9c4a21c71e9d5af97f77d5e9be39b33c

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityKC Installation, LLC

Victim entityKC Installation, LLC

Incidentdiscovered Aug 22, 2025

Stated responseLaunched an investigation to determine the nature and scope of the activity with assistance from cybersecurity specialists

ComplianceMA AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov