HackingProfessional ServicesProfessional ServicesVulnerability ExploitData ExfiltratedCustomer Data InvolvedIdentity (basic)Financial accountLowContained

Chestnut Hill Realty

bd_e38c34a38f6e7d71 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 20, 2023

Filed

Aug 24, 2023

To disclose

5 weeks

Affected · nationwide

7034 in this filing

Linked

3 filings

Confidence

66%

Full breach record for Chestnut Hill Realty →2 incidents on file

Chestnut Hill Realty experienced an external system breach (hacking) on July 14, 2023, discovered on July 20, 2023. The incident compromised names and financial account/credit card numbers for 703 individuals, including 4 Maine residents. The company provided written notification on August 23, 2023, and offered 18 months of Norton LifeLock identity protection services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Jul 20, 2023 → Filed with AG Aug 24, 202335d ⏱ ME AG >30d5 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 · 6 days

discovery → filing · 5 weeks / 35 days

Jul 14, 2023

Begins

Jul 20, 2023

Discovered

Aug 24, 2023

Filed

vs. sector median

13 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Maine State AGbd_484bcdcb7cfc71492023-09-01 · +8dCandidate
New Hampshire State AGbd_d732f7fa137278ca2023-09-06 · +13dVerified

Name: Chestnut Hill Realty
norm: chestnut hill realty
Domain: chr-apartments.com

Name: Chestnut Hill Realty
norm: chestnut hill realty
Domain: chr-apartments.com
Industry: Professional Servicesllm

Discovered: Jul 20, 2023
Breach occurred: Jul 14, 2023
Undetected for: 6 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 23, 2023
Affected individuals: 703state + 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
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 18 months of Norton LifeLock Benefit Premier subscription
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(35 days from discovery to filing)
Compliance flags: ME AG >30d · 35d
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: Jul 20, 2023
→ Filed with AG: Aug 24, 2023
35d 30 days (soft) ME AG >30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jul 20, 2023 → Filed with AG: Aug 24, 2023	35d	30 days (soft)	ME AG >30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 2 states

View merged incident ↗

Maine State AGAug 24 · first · this page

Maine State AG+8d

New Hampshire State AG+13d

Pattern: first filing Aug 24 (ME), last Sep 6 (NH) — a 13-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/c2bc7aa6-ffe1-4eca-90c5-feda52c11294.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 24, 2023
Raw hash: 686bf3dfab16116706f60d63b4ebdbc40f553657afeaab8b5c4cfd204dc7e66b

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityChestnut Hill Realty

Victim entityChestnut Hill Realty

Incidentdiscovered Jul 20, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov