HackingProfessional ServicesProfessional ServicesData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDFinancial accountHealth (basic)MediumContained

Mercy Center, Inc.

bd_f0e4c4ab2aacf49e · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 18, 2025

Filed

Dec 26, 2025

To disclose

27 weeks

Affected

1state residents only

Confidence

67%

Full breach record for Mercy Center, Inc. →3 incidents on file

Mercy Center, Inc. notified the New Hampshire Attorney General of a cybersecurity incident discovered on June 18, 2025. Suspicious network activity led to system disconnection and forensic investigation. A limited number of documents containing names, SSNs, driver's licenses, financial, and medical data were accessed. One NH resident was notified on December 18, 2025. The organization offered 12 months of credit monitoring and implemented enhanced security controls.

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Incident timeline

discovery → filing · 27 weeks / 191 days

Jun 18, 2025

Discovered

Dec 26, 2025

Filed

vs. sector median

+9 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: Mercy Center, Inc.
norm: mercy center

Name: Mercy Center, Inc.
norm: mercy center
Industry: Professional Servicesllm

Discovered: Jun 18, 2025
Materiality determined: —
Notification sent: Dec 18, 2025
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government IDFinancial accountHealth (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1119 Automated Collection
Threat actor: External
Regulator citations: Notified New Hampshire Office of the Attorney General

During the incident: Implemented its incident response protocols
Disconnected systems
Engaged external cybersecurity to assist with an investigation
Hired a vendor to review these documents
Restored its systems
Changed passwords
Implemented additional technical controls in its network
Tightened endpoint monitoring controls
Offered 12 months of credit monitoring and identity protection services through Haystack
Changes made: Restored its systems
Changed passwords
Implemented additional technical controls in its network
Tightened endpoint monitoring controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(191 days from discovery to filing)
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://mm.nh.gov/files/uploads/doj/remote-docs/mercy-center-20251226.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 26, 2025
Raw hash: 7bfea50f7c904f23ebad88fc1bfe2d0c326f0200a3f3c99944324e84f5c75a10

Reporting entityMercy Center, Inc.

Victim entityMercy Center, Inc.

Incidentdiscovered Jun 18, 2025

Stated responseImplemented its incident response protocols

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov