MalwareProfessional ServicesProfessional ServicesRansomwareData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

Cohen Milstein Sellers & Toll PLLC

bd_860d35758e383966 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 24, 2021

Filed

Jul 15, 2021

To disclose

21 days

Affected · nationwide

307,305488 in this filing

Linked

7 filings

Confidence

64%

Full breach record for Cohen Milstein Sellers & Toll PLLC →

Cohen Milstein Sellers & Toll PLLC reported a ransomware incident occurring on January 23, 2021, discovered on June 24, 2021. The breach affected 307,305 individuals, including 488 Maine residents. Personal information, specifically Social Security Numbers, was compromised. The firm provided 24 months of identity monitoring and restoration services via Equifax to affected parties.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jun 24, 2021 → Filed with AG Jul 15, 202121d ✓ ME AG ≤30d21 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 · 152 days

discovery → filing · 21 days

Jan 23, 2021

Begins

Jun 24, 2021

Discovered

Jul 15, 2021

Filed

vs. sector median

17 wks faster

This filing is one of 7 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_2212320aea4ca59f2021-07-15Verified
California State AGbd_2ae6f151c432e2762021-07-15Verified
Montana State AGbd_8518bf599d30e6622021-07-15Verified
Oregon State AGbd_8c472d6d1cbb5e862021-07-15Verified

Show 2 more filings ↓up to 195d gap

Massachusetts State AGbd_d44fe187b2f7c6bd2021-07-15Verified
Illinois State AGbd_f096b5190ec35ed02021-01-01 · +195dCandidate

Name: Cohen Milstein Sellers & Toll PLLC
norm: cohen milstein sellers toll

Name: Cohen Milstein Sellers & Toll PLLC
norm: cohen milstein sellers toll
Industry: Professional Servicesllm

Discovered: Jun 24, 2021
Breach occurred: Jan 23, 2021
Undetected for: 152 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 15, 2021
Affected individuals: 307,305state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for Impact
Threat actor: ExternalFinancial

During the incident: Sent written notification to affected individuals
Offered 24 months of identity monitoring and restoration services through Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 days(21 days from discovery to filing)
Compliance flags: ME AG ≤30d · 21d
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: Jun 24, 2021
→ Filed with AG: Jul 15, 2021
21d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 24, 2021 → Filed with AG: Jul 15, 2021	21d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Illinois State AGJan 1 · first

Indiana State AG+195d

California State AG+195d

Montana State AG+195d

Oregon State AG+195d

Massachusetts State AG+195d

Maine State AG+195d · this page

Pattern: first filing Jan 1 (IL), last Jul 15 (ME) — a 195-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/c7abc826-1cbe-4767-9b7e-975e9cc743f2.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 15, 2021
Raw hash: d8a5f507ae1ba56aa8ffb51a34eeafadd28713f29c56f09f4685f2c6e7b5d065

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityCohen Milstein Sellers & Toll PLLC

Victim entityCohen Milstein Sellers & Toll PLLC

Incidentdiscovered Jun 24, 2021

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov