HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Pisenti & Brinker LLP

bd_5e2060d2e80d3bfa · schema v1 · pii pii-v1

Severity

High

Discovered

Sep 21, 2023

Filed

Oct 19, 2023

To disclose

28 days

Affected · nationwide

1,5342 in this filing

Linked

5 filings

Confidence

64%

Full breach record for Pisenti & Brinker LLP →

Pisenti & Brinker LLP, a California-based law firm, reported an external system breach (hacking) occurring between December 1 and December 21, 2022. The incident was discovered on September 21, 2023. The breach compromised names and Social Security Numbers of 1,534 individuals, including 2 Maine residents. The firm provided written notification on October 19, 2023, and offered 12 months of Experian identity theft protection services.

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Maine clockDiscovered Sep 21, 2023 → Filed with AG Oct 19, 202328d ✓ ME AG ≤30d28 days 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 · 294 days

discovery → filing · 28 days

Dec 1, 2022

Begins

Sep 21, 2023

Discovered

Oct 19, 2023

Filed

vs. sector median

16 wks faster

This filing is one of 5 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Montana State AGbd_377cd907a245a0e52023-10-19Candidate
California State AGbd_b7e9b2f34fde89312023-10-19Verified
Massachusetts State AGbd_b936d385f10c327d2023-10-19Verified
Indiana State AGbd_c716fa34a7da004b2023-10-19Verified

Name: Pisenti & Brinker LLP
norm: pisenti brinker

Name: Pisenti & Brinker LLP
norm: pisenti brinker
Industry: Professional Servicesllm

Discovered: Sep 21, 2023
Breach occurred: Dec 1, 2022 – Dec 21, 2022
Undetected for: 294 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 19, 2023
Affected individuals: 1,534state + 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: External
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 month Experian identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 days(28 days from discovery to filing)
Compliance flags: ME AG ≤30d · 28d
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: Sep 21, 2023
→ Filed with AG: Oct 19, 2023
28d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Sep 21, 2023 → Filed with AG: Oct 19, 2023	28d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Montana State AGOct 19 · first

California State AGOct 19 · first

Massachusetts State AGOct 19 · first

Indiana State AGOct 19 · first

Maine State AGOct 19 · 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-a1252b4f8318/5460a1cc-b7c4-4c8d-8b97-fe99e060c4bd.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 19, 2023
Raw hash: 22d487d06b5502af1b49d227074dc281aafc3e7de4e5c6dd7e19e3bbe90644ca

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityPisenti & Brinker LLP

Victim entityPisenti & Brinker LLP

Incidentdiscovered Sep 21, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov