HackingOtherStolen CredentialsCustomer Data InvolvedIdentity (basic)Government IDMediumContained

TKC Holdings

bd_4aa8e5e1ad175364 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 24, 2018

Filed

Aug 24, 2018

To disclose

13 weeks

Affected

7state residents only

Linked

3 filings

Confidence

66%

Full breach record for TKC Holdings →2 incidents on file

TKC Holdings, Inc. notified Montana residents of a data security incident discovered on May 24, 2018. An unauthorized individual accessed two employee email accounts, potentially exposing names and Social Security numbers. The company engaged forensic experts and offered one year of identity monitoring via Kroll.

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Incident timeline

discovery → filing · 13 weeks / 92 days

May 24, 2018

Discovered

Aug 24, 2018

Filed

vs. sector median

+5 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

New Hampshire State AGbd_d0250edaa81711c62018-08-31 · +7dVerified
Massachusetts State AGbd_f172a45fa1bbd4d82018-08-31 · +7dVerified

Name: TKC Holdings
norm: tkc holdings

Name: TKC Holdings
norm: tkc holdings
Industry: Otherllm

Discovered: May 24, 2018
Materiality determined: —
Notification sent: Aug 18, 2018
Affected individuals: 7state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Engaged an independent computer forensics expert
Secured the services of Kroll to provide identity monitoring services at no cost to you for one year
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 weeks(92 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Montana State AGAug 24 · first · this page

New Hampshire State AG+7d

Massachusetts State AG+7d

Pattern: first filing Aug 24 (MT), last Aug 31 (MA) — a 7-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://dojmt.gov/wp-content/uploads/TKC-Holdings.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 24, 2018
Raw hash: 5a63e8e0c7b31cf58df56fa5caa932cfa0b9287d3ce97e7b65cedd19875effd8

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTKC Holdings

Victim entityTKC Holdings

Incidentdiscovered May 24, 2018

Stated responseEngaged an independent computer forensics expert

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov