HackingProfessional ServicesProfessional ServicesStolen CredentialsCustomer Data InvolvedIdentity (basic)MediumContained

Mark L. Karno & Associates, LLC

bd_91b6e4c514184122 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 7, 2025

Filed

Oct 10, 2025

To disclose

9 weeks

Affected · nationwide

1,9821 in this filing

Linked

3 filings

Confidence

65%

Full breach record for Mark L. Karno & Associates, LLC →

Mark L. Karno & Associates, LLC reported an external system breach (hacking) affecting 1,982 individuals, including 1 Maine resident. Unauthorized access occurred between July 16, 2024, and September 17, 2024, discovered on August 7, 2025. The incident involved unauthorized access to an employee email account. Affected data included names and other personal identifiers. The company engaged forensic specialists and provided credit monitoring services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 7, 2025 → Filed with AG Oct 10, 202564d ⏱ ME AG >30d9 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 · 387 days

discovery → filing · 9 weeks / 64 days

Jul 16, 2024

Begins

Aug 7, 2025

Discovered

Oct 10, 2025

Filed

vs. sector median

10 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_55946a09329083a12025-10-09 · +1dCandidate
Illinois State AGbd_97abfec6fa27a2962025-10-01 · +9dVerified

Name: Mark L. Karno & Associates, LLC
norm: mark l karno associates

Name: Mark L. Karno & Associates, LLC
norm: mark l karno associates
Industry: Professional Servicesllm

Discovered: Aug 7, 2025
Breach occurred: Jul 16, 2024 – Sep 17, 2024
Undetected for: 387 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 9, 2025
Affected individuals: 1,982state + nationwide
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1114 Email Collection
Threat actor: External
Regulator citations: Filed notification with Maine Attorney General
Initial access: valid_credentials

During the incident: Engaged third-party forensic specialists to investigate
Secured email system and network
Arranged for complimentary credit monitoring and identity theft protection services provided by IDX
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(64 days from discovery to filing)
Compliance flags: ME AG >30d · 64dME resident >60d · 63d
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 7, 2025
→ Filed with AG: Oct 10, 2025
64d 30 days (soft) ME AG >30d
Maine
Discovered: Aug 7, 2025
→ Notified: Oct 9, 2025
63d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 7, 2025 → Filed with AG: Oct 10, 2025	64d	30 days (soft)	ME AG >30d
Maine	Discovered: Aug 7, 2025 → Notified: Oct 9, 2025	63d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Illinois State AGOct 1 · first

Indiana State AG+8d

Maine State AG+9d · this page

Pattern: first filing Oct 1 (IL), last Oct 10 (ME) — a 9-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-a1252b4f8318/97535358-9dd0-4970-9b91-feee6b82f84a.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 10, 2025
Raw hash: affa839ab0e4052094122981f08f95667769b9c9234a3b8882f7c159223b36ba

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMark L. Karno & Associates, LLC

Victim entityMark L. Karno & Associates, LLC

Incidentdiscovered Aug 7, 2025

Stated responseEngaged third-party forensic specialists to investigate

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov