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 clockScope identified Feb 25, 2026 → Filed with AG Mar 23, 202626d ✓ ME AG ≤30d15 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

4 wks faster

This filing is one of 4 filings 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
Scope identified: Feb 25, 2026Maine’s notice clock starts here (10 M.R.S. §1348(1))The letter says: “Those files were reviewed and on February 25, 2026, it was determined that the files contained personal information, including the name and Social Security number of two Maine residents.”
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 ≤30d · 26d
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
Scope identified: Feb 25, 2026
→ Filed with AG: Mar 23, 2026
26d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Scope identified: Feb 25, 2026 → Filed with AG: Mar 23, 2026	26d	30 days	ME AG ≤30d

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 ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov