MalwareHealthcareGovernmentHealthcareRansomwarePhobosData ExfiltratedRansom DemandedData EncryptedCustomer Data InvolvedTargetedPHIIdentity (basic)Government IDMediumContained

Athens County Board of Developmental Disabilities

bd_a777a30ec570dbfa · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 28, 2024

Filed

Mar 20, 2025

To disclose

42 weeks

Affected

4state residents only

Linked

2 filings

Confidence

66%

Full breach record for Athens County Board of Developmental Disabilities →2 incidents on file

Athens County Board of Developmental Disabilities experienced a ransomware attack by the Phobos actor group between May 24-25, 2024. The breach affected 4 New Hampshire residents, exposing PHI and PII. ACBDD detected the incident on May 28, 2024, took systems offline, engaged forensic investigators, and notified affected individuals on February 11, 2025, offering credit monitoring services.

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Incident timeline

undetected · 4 days

discovery → filing · 42 weeks / 296 days

May 24, 2024

Begins

May 28, 2024

Discovered

Nov 12, 2024

Scope determined

Mar 20, 2025

Filed

vs. sector median

+30 wks slower

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_4a78f54984e91c0c2025-02-11 · +37dCandidate

Name: Athens County Board of Developmental Disabilities
norm: athens county board of developmental disabilities
Domain: athenscbdd.org

Name: Athens County Board of Developmental Disabilities
norm: athens county board of developmental disabilities
Domain: athenscbdd.org
Industry: HealthcarellmGovernmentllm

Discovered: May 28, 2024
Breach occurred: May 24, 2024 – May 25, 2024
Undetected for: 4 daysoccurrence → discovery
Materiality determined: Nov 12, 2024
Notification sent: Feb 11, 2025
Affected individuals: 4state-resident count only
Data types: PHIIdentity (basic)Government ID
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: PhobosExternalFinancial
Regulator citations: Reported the incident to the Department of Health and Human Services with the Office of Civil Rights
Initial access: valid_credentials

During the incident: Took its systems offline
Retained outside cyber counsel
Engaged outside IT forensic specialists
Notified individuals via U.S. mail
Offered complimentary credit monitoring and identity theft protection services through HayStack
Established a dedicated call center of trained professionals
Changes made: Installed and implemented continuous monitoring security tools
Amended security policies and procedures
Updated cybersecurity employee training program
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 42 weeks(296 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGFeb 11 · first

New Hampshire State AG+37d · this page

Pattern: first filing Feb 11 (IN), last Mar 20 (NH) — a 37-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://mm.nh.gov/files/uploads/doj/remote-docs/athens-county-board-developmental-disabilities-20250320.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 20, 2025
Raw hash: f5b4c09f2ed42ca0f67ca6ac4e355a70a5fba8ed81891d79289c18ba9dd8025e

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityAthens County Board of Developmental Disabilities

Victim entityAthens County Board of Developmental Disabilities

Incidentdiscovered May 28, 2024

Stated responseTook its systems offline

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov