HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)HighContained

Astor Weiss Kaplan & Mandel LLP

bd_8830a8fbdb28f931 · schema v1 · pii pii-v1

Severity

High

Discovered

Nov 27, 2024

Filed

May 28, 2025

To disclose

26 weeks

Affected · nationwide

1,0281 in this filing

Confidence

65%

Full breach record for Astor Weiss Kaplan & Mandel LLP →

Astor Weiss Kaplan & Mandel LLP, a Philadelphia law firm, disclosed an external system breach (hacking) occurring Nov 19-21, 2024. The firm discovered unusual activity on Nov 27, 2024, and notified 1,028 individuals (including 1 Maine resident) on May 27, 2025. Compromised data included names, SSNs, driver's licenses, financial accounts, and medical info. The firm engaged cybersecurity experts, notified the FBI, and provided 12 months of TransUnion credit monitoring.

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Maine clockDiscovered Nov 27, 2024 → Filed with AG May 28, 2025182d ✗ ME AG >90d26 weeks discovery → filing

Incident timeline

undetected · 8 days

discovery → filing · 26 weeks / 182 days

Nov 19, 2024

Begins

Nov 27, 2024

Discovered

May 28, 2025

Filed

vs. sector median

+8 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1,028 affectedView incident

Name: Constangy, Brooks, Smith & Prophete, LLP
norm: constangy brooks smith prophete

Name: Astor Weiss Kaplan & Mandel LLP
norm: astor weiss kaplan mandel
Industry: Professional Servicesllm

Discovered: Nov 27, 2024
Breach occurred: Nov 19, 2024 – Nov 21, 2024
Undetected for: 8 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 27, 2025
Affected individuals: 1,028state + nationwide
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security numberMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified the Federal Bureau of InvestigationFiled Security Breach Notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Took measures to terminate the activity and secure its systems
Engaged cybersecurity experts to investigate
Conducted a comprehensive review of all potentially affected information
Notified the Federal Bureau of Investigation of the incident
Established a toll-free call center through TransUnion
Provided individuals whose Social Security number was impacted with free identity protection services through TransUnion
Changes made: Implemented additional safeguards to enhance the security of its systems
Performed a thorough review of our systems to investigate the incident and enhance our network security
Implemented additional security measures to protect its digital environment
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(182 days from discovery to filing)
Compliance flags: ME AG >90d · 182dME resident >180d · 181d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Nov 27, 2024
→ Filed with AG: May 28, 2025
182d 90 days ME AG >90d
Maine
Discovered: Nov 27, 2024
→ Notified: May 27, 2025
181d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Nov 27, 2024 → Filed with AG: May 28, 2025	182d	90 days	ME AG >90d
Maine	Discovered: Nov 27, 2024 → Notified: May 27, 2025	181d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

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-a1252b4f8318/02a0ee60-98ec-46ce-b2e2-a455980291f8.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 28, 2025
Raw hash: 3705b51cc59a4ff3320346a3ce586af99fe39259fad8e7d0ee1aaf4909fbc274

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityAstor Weiss Kaplan & Mandel LLP

Incidentdiscovered Nov 27, 2024

Stated responseTook measures to terminate the activity and secure its systems

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov