HackingOtherData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

John Michael Kohler Arts Center, Inc.

bd_be5da49ce1a47346 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 29, 2020

Filed

Feb 18, 2021

To disclose

7 weeks

Affected · nationwide

4332 in this filing

Linked

3 filings

Confidence

66%

Full breach record for John Michael Kohler Arts Center, Inc. →2 incidents on file

The John Michael Kohler Arts Center, Inc. experienced an external system breach (hacking) between August 11, 2020, and October 21, 2020. The breach was discovered on December 29, 2020. Personal information, including names and Social Security Numbers, was acquired. 433 individuals were affected, including 2 Maine residents. The Center provided written notification on February 18, 2021, and offered 12 months of credit and identity restoration services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Dec 29, 2020 → Filed with AG Feb 18, 202151d ⏱ ME AG >30d7 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 140 days

discovery → filing · 7 weeks / 51 days

Aug 11, 2020

Begins

Dec 29, 2020

Discovered

Feb 18, 2021

Filed

vs. sector median

1 wks faster

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

Indiana State AGbd_fa4f0bca3c5244d52021-02-18Verified
New Hampshire State AGbd_6fe55604eb9423872021-02-23 · +5dVerified

Name: John Michael Kohler Arts Center, Inc.
norm: john michael kohler arts center
Domain: jmkac.org

Name: John Michael Kohler Arts Center, Inc.
norm: john michael kohler arts center
Domain: jmkac.org
Industry: Otherllm

Discovered: Dec 29, 2020
Breach occurred: Aug 11, 2020 – Oct 21, 2020
Undetected for: 140 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 18, 2021
Affected individuals: 433state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of credit and identity restoration services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 7 weeks(51 days from discovery to filing)
Compliance flags: ME AG >30d · 51d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Dec 29, 2020
→ Filed with AG: Feb 18, 2021
51d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 29, 2020 → Filed with AG: Feb 18, 2021	51d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGFeb 18 · first

Maine State AGFeb 18 · first · this page

New Hampshire State AG+5d

Pattern: first filing Feb 18 (IN), last Feb 23 (NH) — a 5-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/069e6b31-43ee-4ccc-a9ff-df075d3f5f81.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 18, 2021
Raw hash: a610d77d04fd93b9c6ca8443989f3f6b461f278d404b130f84201a486d8434bd

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityJohn Michael Kohler Arts Center, Inc.

Victim entityJohn Michael Kohler Arts Center, Inc.

Incidentdiscovered Dec 29, 2020

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov