HackingHealthcareHealthcareCustomer Data InvolvedTargetedIdentity (basic)PHIMediumContained

Mystic Valley Elder Services

bd_d910b0c48d383fc4 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 5, 2024

Filed

Oct 25, 2024

To disclose

29 weeks

Affected · nationwide

87,23639 in this filing

Linked

3 filings

Confidence

65%

Full breach record for Mystic Valley Elder Services →3 incidents on file

Mystic Valley Elder Services reported an external system breach on April 5, 2024, affecting 87,236 individuals, including 39 in Maine. The incident involved unauthorized access to systems containing names and PHI. The company engaged forensic investigators, notified law enforcement, and offered 12 months of credit monitoring via Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Apr 5, 2024 → Filed with AG Oct 25, 2024203d ✗ ME AG >90d29 weeks discovery → filing

⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.

Incident timeline

discovery → filing · 29 weeks / 203 days

Apr 5, 2024

Begins

Apr 5, 2024

Discovered

Oct 25, 2024

Filed

vs. sector median

+16 wks slower

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

New Hampshire State AGbd_8c28056f00cc04442024-10-23 · +2dVerified
Illinois State AGbd_66998153e33087202024-10-01 · +24dVerified

Name: Polsinelli PC
norm: polsinelli

Name: Mystic Valley Elder Services
norm: mystic valley elder
Industry: Healthcarellm

Discovered: Apr 5, 2024
Breach occurred: Apr 5, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 22, 2024
Affected individuals: 87,236state + nationwide
Data types: Identity (basic)PHI
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Initiated an internal investigation
Took steps to contain the incident
Notified law enforcement
Engaged a forensic security firm to assist with our investigation
Changes made: Offering a complimentary 12 month membership of Experian IdentityWorks SM Credit 3B
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 29 weeks(203 days from discovery to filing)
Compliance flags: ME AG >90d · 203dME resident >180d · 200d
Discovery-date grounding: occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Apr 5, 2024
→ Filed with AG: Oct 25, 2024
203d 90 days ME AG >90d
Maine
Discovered: Apr 5, 2024
→ Notified: Oct 22, 2024
200d 180 days ME resident >180d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 5, 2024 → Filed with AG: Oct 25, 2024	203d	90 days	ME AG >90d
Maine	Discovered: Apr 5, 2024 → Notified: Oct 22, 2024	200d	180 days	ME resident >180d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Illinois State AGOct 1 · first

New Hampshire State AG+22d

Maine State AG+24d · this page

Pattern: first filing Oct 1 (IL), last Oct 25 (ME) — a 24-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-a1252b4f8318/39b8a2d8-4720-4f85-9dd7-8929d9a7a168.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 25, 2024
Raw hash: 2df06fef491122aa1531061fb89d98be628283921749e6e22e15e190686aea3e

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityPolsinelli PC

Victim entityMystic Valley Elder Services

Incidentdiscovered Apr 5, 2024

Stated responseInitiated an internal investigation

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov