HackingOtherStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDMediumContained

TKC Holdings

bd_d0250edaa81711c6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 24, 2018

Filed

Aug 31, 2018

To disclose

14 weeks

Affected

1state residents only

Linked

3 filings

Confidence

67%

Full breach record for TKC Holdings →2 incidents on file

TKC Holdings, Inc. reported a data security incident to the New Hampshire Attorney General on August 31, 2018. On May 24, 2018, TKC discovered unusual activity in its email system, leading to the unauthorized access of two employee email accounts by an individual. The incident potentially exposed employees' names and Social Security numbers. One New Hampshire resident was affected. TKC engaged forensic experts, secured the system, and offered 12 months of identity protection services.

J jump to incidentP pin to compareR raw source

Incident timeline

discovery → filing · 14 weeks / 99 days

May 24, 2018

Discovered

Aug 31, 2018

Filed

vs. sector median

+6 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

Massachusetts State AGbd_f172a45fa1bbd4d82018-08-31Verified
Montana State AGbd_4aa8e5e1ad1753642018-08-24 · +7dCandidate

Name: TKC Holdings
norm: tkc holdings

Name: TKC Holdings
norm: tkc holdings
Industry: Otherllm

Discovered: May 24, 2018
Materiality determined: —
Notification sent: Aug 24, 2018
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General Consumer Protection and Antitrust Bureau
Initial access: valid_credentials

During the incident: Took action to secure the email system
Began an investigation
Retained an independent computer forensics expert to assist with the investigation
Notified the potentially affected population
Changes made: Offered 12 months of identity protection services through Kroll, at no charge to the individual
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(99 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

Massachusetts State AG+7d

New Hampshire State AG+7d · this page

Pattern: first filing Aug 24 (MT), last Aug 31 (NH) — 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://mm.nh.gov/files/uploads/doj/remote-docs/tkc-holdings-20180831.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 31, 2018
Raw hash: 10d2c8f8d8aae2dc4183f1ef57206583d79ebfeecd1391ece96e15156882c377

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityTKC Holdings

Victim entityTKC Holdings

Incidentdiscovered May 24, 2018

Stated responseTook action to secure the email system

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov