HackingOtherData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

Keystone Pacific Property Management

bd_662cf1723d5db99f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Feb 10, 2025

Filed

Jun 27, 2025

To disclose

20 weeks

Affected · nationwide

4021 in this filing

Linked

6 filings

Confidence

66%

Full breach record for Keystone Pacific Property Management →2 incidents on file

Keystone Pacific Property Management experienced an external system breach (hacking) between Feb 7-10, 2025, discovered Feb 10, 2025. 402 individuals affected, including 1 Maine resident. Personal info (name, government ID) accessed. FBI notified; forensic investigation conducted. Credit monitoring offered.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Feb 10, 2025 → Filed with AG Jun 27, 2025137d ✗ ME AG >90d20 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 · 3 days

discovery → filing · 20 weeks / 137 days

Feb 7, 2025

Begins

Feb 10, 2025

Discovered

Jun 27, 2025

Filed

vs. sector median

+12 wks slower

This filing is one of 6 about the same incident.View merged incident

A leak claim by bianlian about this victim predates this filing by 137 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (3)

Leak Sitebianlianbd_956badf3b303cea62025-03-04 · +114dVerified by operator
Leak Siteransomhubbd_a0ec994abf8892132025-02-26 · +120dVerified by operator
Leak Sitebianlianbd_89c7704e33569dd72025-02-10 · +137dVerified by operator

Regulatory filings (2) · sorted by filing gap

Vermont State AGbd_ae8c11431dc8b3bc2025-06-27Verified by operator
Massachusetts State AGbd_2dd3f1a7ca91d1a42025-06-28 · +1dVerified by operator

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

Name: Keystone Pacific Property Management
norm: keystone pacific property management
Domain: keystonepacificpm.com
Industry: Otherllm

Discovered: Feb 10, 2025
Breach occurred: Feb 7, 2025 – Feb 10, 2025
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 27, 2025
Affected individuals: 402state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Regulator citations: Notified Maine Attorney GeneralNotified FBI
Initial access: exploit_public_facing

During the incident: Took steps to secure our network
Launched an investigation with the assistance of independent cybersecurity experts
Reported the incident to the FBI
Offering 12 months of credit monitoring through Equifax, credit report and score access, $1 million identity theft insurance with $0 deductible, Identity Restoration services, and dark web monitoring
Changes made: Implemented several measures to enhance our security posture and reduce the risk of similar future incidents
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(137 days from discovery to filing)
Compliance flags: ME AG >90d · 137dME resident >60d · 137dLeak >90d
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: Feb 10, 2025
→ Filed with AG: Jun 27, 2025
137d 90 days ME AG >90d
Maine
Discovered: Feb 10, 2025
→ Notified: Jun 27, 2025
137d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Feb 10, 2025 → Filed with AG: Jun 27, 2025	137d	90 days	ME AG >90d
Maine	Discovered: Feb 10, 2025 → Notified: Jun 27, 2025	137d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Vermont State AGJun 27 · first

Maine State AGJun 27 · first · this page

Massachusetts State AG+1d

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-a1252b4f8318/5a52debd-5859-4b27-9c4b-9997630b7e25.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 27, 2025
Raw hash: a4f8df15e92777eec19537613258a5d1d5b0c4d993b1394c1bd14d7c5beb0b59

Linked disclosures

Ransomware claims (3)

Regulatory filings (2) · sorted by filing gap

Reporting entityConstangy, Brooks, Smith & Prophete, LLP

Victim entityKeystone Pacific Property Management

Incidentdiscovered Feb 10, 2025

Stated responseTook steps to secure our network

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov