HackingProfessional ServicesProfessional ServicesCustomer Data InvolvedTargetedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Quatrro Business Support Services, Inc.

bd_0ecd190cfdd6f1ec · schema v1 · pii pii-v1

Severity

Medium

Discovered

Dec 7, 2025

Filed

Mar 23, 2026

To disclose

15 weeks

Affected

2state residents only

Linked

4 filings

Confidence

66%

Full breach record for Quatrro Business Support Services, Inc. →2 incidents on file

Quatrro Business Support Services, Inc. reported an external system breach (hacking) affecting 2 Maine residents. Unauthorized access occurred Nov 11-19, 2025; discovered Dec 7, 2025. Data included names, SSNs, driver's licenses, passports, payment cards, financial accounts, and health insurance numbers. Notifications sent March 23, 2026, with 1 year of credit monitoring.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Dec 7, 2025 → Filed with AG Mar 23, 2026106d ✗ ME AG >90d15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 26 days

discovery → filing · 15 weeks / 106 days

Nov 11, 2025

Begins

Dec 7, 2025

Discovered

Mar 23, 2026

Filed

vs. sector median

3 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_28cd7981525dd4ec2026-03-23Verified
New Hampshire State AGbd_d21df72633c664632026-03-23Verified
Massachusetts State AGbd_ecbb6ac201806ee72026-03-23Verified

Name: Quatrro Business Support Services, Inc.
norm: quatrro business support

Name: Quatrro Business Support Services, Inc.
norm: quatrro business support
Industry: Professional Servicesllm

Discovered: Dec 7, 2025
Breach occurred: Nov 11, 2025 – Nov 19, 2025
Undetected for: 26 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 23, 2026
Affected individuals: 2state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Offered 1 Year Credit monitoring and identity protection services
Established a dedicated, toll-free call center to answer questions
Changes made: Implemented measures to strengthen its security program
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(106 days from discovery to filing)
Compliance flags: ME AG >90d · 106d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Dec 7, 2025
→ Filed with AG: Mar 23, 2026
106d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Dec 7, 2025 → Filed with AG: Mar 23, 2026	106d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGMar 23 · first

New Hampshire State AGMar 23 · first

Massachusetts State AGMar 23 · first

Maine State AGMar 23 · 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-a1252b4f8318/43b9a8d2-e27a-4afd-aa01-5663e2d02a4d.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 23, 2026
Raw hash: dc5339701a5653c08378f38a620292aa717d7736a54049a97ab2207edd82b4cd

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityQuatrro Business Support Services, Inc.

Victim entityQuatrro Business Support Services, Inc.

Incidentdiscovered Dec 7, 2025

Stated responseOffered 1 Year Credit monitoring and identity protection services

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov