HackingProfessional ServicesProfessional ServicesVulnerability ExploitData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)MediumContained

Siden & Associates, P.C.

bd_4147ab290a1cf747 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 24, 2023

Filed

Oct 11, 2023

To disclose

11 weeks

Affected · nationwide

6052 in this filing

Linked

4 filings

Confidence

64%

Full breach record for Siden & Associates, P.C. →

Siden & Associates, P.C. reported an external system breach (hacking) occurring on July 17, 2023, discovered on July 24, 2023. The incident affected 605 individuals, including 2 Maine residents. Acquired data included names combined with driver's license numbers. The firm provided 24 months of Experian IdentityWorks (credit monitoring and identity restoration) to affected individuals.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 24, 2023 → Filed with AG Oct 11, 202379d ⏱ ME AG >30d11 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 · 7 days

discovery → filing · 11 weeks / 79 days

Jul 17, 2023

Begins

Jul 24, 2023

Discovered

Oct 11, 2023

Filed

vs. sector median

6 wks faster

This filing is one of 4 about the same incident.View merged incident

A leak claim by monti about this victim predates this filing by 81 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitemontibd_94b04e311b8437802023-07-22 · +81dCandidate

Regulatory filings (2) · sorted by filing gap

New Hampshire State AGbd_bc03eec1a3cfa3cf2023-10-09 · +2dVerified
Massachusetts State AGbd_fad12aa13a127f6e2023-10-06 · +5dVerified by operator

Name: Siden
norm: siden
Domain: siden.io

Name: Siden & Associates, P.C.
norm: siden associates
Industry: Professional Servicesllm

Discovered: Jul 24, 2023
Breach occurred: Jul 17, 2023
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 6, 2023
Affected individuals: 605state + nationwide
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 individuals
Offered 24 months of Experian IdentityWorks, which includes credit monitoring, identity restoration services, and $1 million identity theft insurance
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 11 weeks(79 days from discovery to filing)
Compliance flags: ME AG >30d · 79dME resident >60d · 74dLeak >30d
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: Jul 24, 2023
→ Filed with AG: Oct 11, 2023
79d 30 days (soft) ME AG >30d
Maine
Discovered: Jul 24, 2023
→ Notified: Oct 6, 2023
74d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 24, 2023 → Filed with AG: Oct 11, 2023	79d	30 days (soft)	ME AG >30d
Maine	Discovered: Jul 24, 2023 → Notified: Oct 6, 2023	74d	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 ↗

Massachusetts State AGOct 6 · first

New Hampshire State AG+3d

Maine State AG+5d · this page

Pattern: first filing Oct 6 (MA), last Oct 11 (ME) — 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-a1252b4f8318/059d40b2-8c91-4a82-80a3-bf3471d7e487.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 11, 2023
Raw hash: fcf03110438a88b625726cd18caab67ab0604ed4f475beff1c90cbe7ef15986a

Linked disclosures

Ransomware claims (1)

Regulatory filings (2) · sorted by filing gap

Reporting entitySiden

Victim entitySiden & Associates, P.C.

Incidentdiscovered Jul 24, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov