HackingTechnologyInformationCustomer Data InvolvedIdentity (basic)MediumContained

Architectural Graphics, Inc.

bd_9d250350bd41fbe5 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 9, 2025

Filed

Oct 9, 2025

To disclose

4 weeks

Affected · nationwide

2,9071 in this filing

Linked

3 filings

Confidence

65%

Full breach record for Architectural Graphics, Inc. →

Architectural Graphics, Inc. reported an external system breach (hacking) occurring Feb 22-23, 2025, discovered Sept 9, 2025. 2,907 individuals affected, including 1 Maine resident. Personal information (names) was potentially accessed. The company engaged external cybersecurity professionals and offered 12 months of credit monitoring services to affected individuals.

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Date basis clock✓ Clock withheld · confirmation date4 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 · 199 days

discovery → filing · 4 weeks / 30 days

Feb 22, 2025

Begins

Sep 9, 2025

Discovered

Oct 9, 2025

Filed

vs. sector median

14 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_141f61b33bde3f8d2025-10-09Candidate
Massachusetts State AGbd_35649020c6f621352025-10-09Verified

Name: MCDONALD HOPKINS LLC
norm: mcdonald hopkins

Name: Architectural Graphics, Inc.
norm: architectural graphics
Industry: Technologyllm

Discovered: Sep 9, 2025
Breach occurred: Feb 22, 2025 – Feb 23, 2025
Undetected for: 199 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 9, 2025
Affected individuals: 2,907state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Commenced a prompt and thorough investigation
Working very closely with external cybersecurity professionals
Offering a complimentary membership to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services
Providing proactive fraud assistance
Changes made: Continually evaluate and modify practices and internal controls to enhance the security and privacy of your personal information
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: Clock withheld · confirmation date

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Indiana State AGOct 9 · first

Massachusetts State AGOct 9 · first

Maine State AGOct 9 · 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.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/08323f07-90b8-43c6-8311-b4a450a198dc.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 9, 2025
Raw hash: c8fb0737d872b61ed7d37ed7531ba9dafdbe253af29a4f5073cf7043a8526193

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMCDONALD HOPKINS LLC

Victim entityArchitectural Graphics, Inc.

Incidentdiscovered Sep 9, 2025

Stated responseCommenced a prompt and thorough investigation

ComplianceClock withheld · confirmation date

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov