HackingTechnologyInformationCustomer Data InvolvedData ExfiltratedGovernment IDIdentity (basic)HighContained

M.C. Dean, Inc.

bd_04128297ca39bbfa · schema v1 · pii pii-v1

Severity

High

Discovered

Aug 10, 2022

Filed

Sep 14, 2022

To disclose

5 weeks

Affected

45,499scope not determined

Linked

7 filings

Confidence

66%

Full breach record for M.C. Dean, Inc. →

M.C. Dean, Inc. reported an external system breach (hacking) occurring on 12/24/2021, discovered on 08/10/2022. The incident affected 45,499 Maine residents, compromising names and driver's license numbers. The company provided written notification on 09/14/2022 and offered 24 months of identity theft protection services via Equifax.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 10, 2022 → Filed with AG Sep 14, 202235d ⏱ ME AG >30d5 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 229 days

discovery → filing · 5 weeks / 35 days

Dec 24, 2021

Begins

Aug 10, 2022

Discovered

Sep 14, 2022

Filed

vs. sector median

14 wks faster

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Montana State AGbd_01e173680331a14d2022-09-14Candidate
California State AGbd_13e9eaa99e2685ea2022-09-14Verified by operator
Massachusetts State AGbd_3f96f654f9e2f3362022-09-14Verified
Indiana State AGbd_6c093b6ab5c992692022-09-14Verified

Show 2 more filings ↓up to 5d gap

South Carolina State AGbd_fc506a5feae8fdb72022-09-14Verified
New Hampshire State AGbd_13de81227fda67cd2022-09-19 · +5dVerified

Name: M.C. Dean, Inc.
norm: mc dean

Name: M.C. Dean, Inc.
norm: mc dean
Industry: Technologyllm

Discovered: Aug 10, 2022
Breach occurred: Dec 24, 2021
Undetected for: 229 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 14, 2022
Affected individuals: 45,499scope not determined
Data types: Government IDIdentity (basic)
Data elements: Driver's licence number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected Maine residents
Offered 24 months of identity theft protection services through Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(35 days from discovery to filing)
Compliance flags: ME AG >30d · 35d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Aug 10, 2022
→ Filed with AG: Sep 14, 2022
35d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 10, 2022 → Filed with AG: Sep 14, 2022	35d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Montana State AGSep 14 · first

California State AGSep 14 · first

Massachusetts State AGSep 14 · first

Indiana State AGSep 14 · first

South Carolina State AGSep 14 · first

Maine State AGSep 14 · first · this page

New Hampshire State AG+5d

Pattern: first filing Sep 14 (MT), last Sep 19 (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-a1252b4f8318/227e58ef-5637-4468-b867-dc6c3d5cb52d.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 14, 2022
Raw hash: 29ac85aa13349686c74d49d01326028d9841ab0d4bcd5e6e3f7b9bebca5c71d6

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityM.C. Dean, Inc.

Victim entityM.C. Dean, Inc.

Incidentdiscovered Aug 10, 2022

Stated responseSent written notification to affected Maine residents

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov