HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)CriticalContained

Harrisburg Medical Center

bd_c05435c887ddc145 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Aug 24, 2023

Filed

Dec 12, 2023

To disclose

16 weeks

Affected · nationwide

147,8261 in this filing

Linked

5 filings

Confidence

66%

Full breach record for Harrisburg Medical Center →6 incidents on file

Harrisburg Medical Center (HMC) reported an external system breach occurring between December 19 and 23, 2022, discovered on August 24, 2023. The incident affected 147,826 individuals, including one Maine resident. The breach involved the acquisition of names and Social Security Numbers. HMC provided written notification and 12 months of Equifax Complete Premier identity theft protection services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Aug 24, 2023 → Filed with AG Dec 12, 2023110d ✗ ME AG >90d16 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 · 248 days

discovery → filing · 16 weeks / 110 days

Dec 19, 2022

Begins

Aug 24, 2023

Discovered

Dec 12, 2023

Filed

vs. sector median

+3 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Vermont State AGbd_0dd463b5d8d883d62023-12-12Verified
Massachusetts State AGbd_18a113ab62f2af232023-12-12Verified
New Hampshire State AGbd_1bdfa21df4d886852023-12-12Verified
Montana State AGbd_9a7e8897e54d44232023-12-12Candidate

Name: Harrisburg Medical Center
norm: harrisburg medical center

Name: Harrisburg Medical Center
norm: harrisburg medical center
Industry: Healthcarellm

Discovered: Aug 24, 2023
Breach occurred: Dec 19, 2022 – Dec 23, 2022
Undetected for: 248 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 12, 2023
Affected individuals: 147,826state + nationwide
Data types: Government IDIdentity (basic)
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: ExternalFinancial
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered 12 months of Equifax Complete Premier identity theft protection
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(110 days from discovery to filing)
Compliance flags: ME AG >90d · 110d
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: Aug 24, 2023
→ Filed with AG: Dec 12, 2023
110d 90 days ME AG >90d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Aug 24, 2023 → Filed with AG: Dec 12, 2023	110d	90 days	ME AG >90d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Vermont State AGDec 12 · first

Massachusetts State AGDec 12 · first

New Hampshire State AGDec 12 · first

Montana State AGDec 12 · first

Maine State AGDec 12 · first · this page

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-a1252b4f8318/1e7185ad-df63-4162-8472-c12270398e7f.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 12, 2023
Raw hash: 618b603d0aac892fe7a9fc7b811dfec7caedfddd1ec3743e4a5e8a7376d00fe3

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityHarrisburg Medical Center

Victim entityHarrisburg Medical Center

Incidentdiscovered Aug 24, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov