HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Financial accountHighContained

Comstar LLC

bd_b95db5904d98be34 · schema v1 · pii pii-v1

Severity

High

Discovered

Mar 26, 2022

Filed

Jun 30, 2022

To disclose

14 weeks

Affected · nationwide

565,79016,220 in this filing

Linked

13 filings

Confidence

66%

Full breach record for Comstar LLC →

Comstar LLC, a professional services firm based in Rowley, MA, reported an external system breach occurring between March 19 and March 26, 2022. The incident affected 565,790 individuals, including 16,220 Maine residents. The breach involved the unauthorized acquisition of names and financial account numbers (including credit/debit card numbers with security codes/PINs). Comstar notified affected consumers in writing in May and June 2022 and provided 12 months of credit monitoring and identity theft insurance through Equifax.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Mar 26, 2022 → Filed with AG Jun 30, 202296d ✗ ME AG >90d14 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 · 14 weeks / 96 days

Mar 19, 2022

Begins

Mar 26, 2022

Discovered

Jun 30, 2022

Filed

vs. sector median

4 wks faster

This filing is one of 13 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

California State AGbd_d818ee99f86b12dd2022-06-30Verified
California State AGbd_85177613717390c12022-06-14 · +16dVerified
New Hampshire State AGbd_0db5d3b9a664394c2022-05-27 · +34dVerified
HHS OCRbd_7c3a134ab345e7362022-05-26 · +35dVerified

Show 6 more filings ↓up to 1065d gap

Indiana State AGbd_662700170b2a610b2022-05-25 · +36dVerified
Montana State AGbd_7e62f29ad917b45d2022-05-25 · +36dVerified
Maine State AGbd_1a59883a0195e6ff2022-08-22 · +53dVerified
California State AGbd_464f9d9da319c0212022-08-22 · +53dVerified
New Hampshire State AGbd_b57b40825eebd8b32022-08-26 · +57dVerified by operator
HHS OCR enforcementbd_431a2323ea15d5c32025-05-30 · +1065dVerified by operator

Showing first 10 of 12 linked disclosures.

Name: Comstar Technologies, LLC
norm: comstar technologies
Domain: comstarbilling.com

Name: Comstar LLC
norm: comstar
Domain: comstarbilling.com
Industry: Professional Servicesllm

Discovered: Mar 26, 2022
Breach occurred: Mar 19, 2022 – Mar 26, 2022
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 23, 2022
Affected individuals: 565,790state + nationwide
Data types: Identity (basic)Financial account
Data elements: Financial account number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected consumers
Offered 12 months of credit monitoring and identity theft insurance through Equifax
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(96 days from discovery to filing)
Compliance flags: ME AG >90d · 96dME CRA notice due
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: Mar 26, 2022
→ Filed with AG: Jun 30, 2022
96d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Mar 26, 2022 → Filed with AG: Jun 30, 2022	96d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 6 states

View merged incident ↗

Indiana State AGMay 25 · first

Montana State AGMay 25 · first

HHS OCR+1d

New Hampshire State AG+2d

California State AG+20d

California State AG+36d

Maine State AG+36d · this page

Maine State AG+89d

California State AG+89d

New Hampshire State AG+93d

HHS OCR enforcement+1101d

Pattern: first filing May 25 (IN), last May 30 — a 1101-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 12 — the full spread may be wider.

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-a1252b4f8318/0519191e-953f-4ad9-a5b4-a978bccbd85e.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 30, 2022
Raw hash: 1e676a61161f51e7efddd65e6e267092cfde3dd8485f584aed6cf59f08d05b82

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityComstar Technologies, LLC

Victim entityComstar LLC

Incidentdiscovered Mar 26, 2022

Stated responseSent written notification to affected consumers

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov