MalwareHealthcareHealthcareRansomwareData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDFinancial accountHighContained

Frederick Health

bd_ddd4f7ddc23cf672 · schema v1 · pii pii-v1

Severity

High

Discovered

Jan 27, 2025

Filed

Apr 23, 2026

To disclose

—

Affected

13,239state residents only

Confidence

66%

Full breach record for Frederick Health →2 incidents on file

Frederick Health, a HIPAA-covered entity in Maryland, experienced a ransomware event on January 27, 2025. An unauthorized party gained access to the network and copied files from a file share server. Approximately 13,239 Maryland residents were affected. Data exposed may include names, dates of birth, Social Security numbers, driver's license numbers, and financial account information. The organization engaged forensic investigators, notified law enforcement, and is offering credit monitoring services.

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Incident timeline

Jan 27, 2025

Begins

Jan 27, 2025

Discovered

Apr 23, 2026

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed13,239 affectedView incident

Name: Frederick Health
norm: frederick health

Name: Frederick Health
norm: frederick health
Industry: Healthcarellm

Discovered: Jan 27, 2025
Breach occurred: Jan 27, 2025
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 28, 2025
Affected individuals: 13,239state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified Maryland Attorney General

During the incident: Initiated its incident response protocols
Shutting off select systems as a proactive measure
Launched an investigation with the assistance of a third-party forensic firm
Notified law enforcement
Changes made: Implemented, and will continue to adopt, additional safeguards to further protect and monitor its systems
Offering individuals a complimentary membership to credit monitoring and identity protection support services
Established a dedicated, toll-free call center for individuals to call with any questions
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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://oag.maryland.gov/resources-info/SBN%20Documents/2025/ITU-376814.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 23, 2026
Raw hash: ee6e475ee777ddca18c675b47d4e3bbcd737201a68de88c245286b61b05ccfd8

Reporting entityFrederick Health

Victim entityFrederick Health

Incidentdiscovered Jan 27, 2025

Stated responseInitiated its incident response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.maryland.gov