HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

McAlester Regional Health Center

bd_00762f4dda086948 · schema v1 · pii pii-v1

Severity

High

Discovered

May 8, 2023

Filed

Nov 15, 2023

To disclose

27 weeks

Affected · nationwide

37,7314 in this filing

Linked

7 filings

Confidence

66%

Full breach record for McAlester Regional Health Center →

McAlester Regional Health Center, a healthcare provider in McAlester, Oklahoma, reported an external system breach (hacking) occurring between April 13 and April 24, 2023. The incident affected 37,731 individuals, including 4 Maine residents. The breach compromised names and Social Security Numbers. The company notified affected individuals in writing on November 15, 2023, and offered 12 months of credit monitoring and identity protection services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 8, 2023 → Filed with AG Nov 15, 2023191d ✗ ME AG >90d27 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 · 25 days

discovery → filing · 27 weeks / 191 days

Apr 13, 2023

Begins

May 8, 2023

Discovered

Nov 15, 2023

Filed

vs. sector median

+15 wks slower

This filing is one of 7 about the same incident.View merged incident

A leak claim by karakurt about this victim predates this filing by 110 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitekarakurtbd_72ed3abe8b59b82d2023-07-28 · +110dVerified

Regulatory filings (5) · sorted by filing gap

Vermont State AGbd_6751323e8c15cad42023-11-15Verified by operator
Montana State AGbd_bd461962ac34b82e2023-11-15Verified by operator
Massachusetts State AGbd_f831e61cf6da1edf2023-11-15Verified by operator
New Hampshire State AGbd_53dcc179f39114342023-11-21 · +6dVerified by operator

Show 1 more filing ↓up to 86d gap

HHS OCRbd_6e23414cd27637502023-08-21 · +86dCandidate

Name: McAlester Regional Health Center
norm: mcalester regional health center
Domain: mcalesterregional.com

Name: McAlester Regional Health Center
norm: mcalester regional health center
Domain: mcalesterregional.com
Industry: Healthcarellm

Discovered: May 8, 2023
Breach occurred: Apr 13, 2023 – Apr 24, 2023
Undetected for: 25 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 15, 2023
Affected individuals: 37,731state + 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 credit monitoring and identity protection services provided by Cyberscout through Identity Force, a TransUnion company
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 27 weeks(191 days from discovery to filing)
Compliance flags: ME AG >90d · 191dME resident >60d · 191dLeak >90d
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: May 8, 2023
→ Filed with AG: Nov 15, 2023
191d 90 days ME AG >90d
Maine
Discovered: May 8, 2023
→ Notified: Nov 15, 2023
191d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 8, 2023 → Filed with AG: Nov 15, 2023	191d	90 days	ME AG >90d
Maine	Discovered: May 8, 2023 → Notified: Nov 15, 2023	191d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 6 states

View merged incident ↗

HHS OCRAug 21 · first

Vermont State AG+86d

Montana State AG+86d

Massachusetts State AG+86d

Maine State AG+86d · this page

New Hampshire State AG+92d

Pattern: first filing Aug 21 (OK), last Nov 21 (NH) — a 92-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-a1252b4f8318/168cea52-014b-4cbe-92be-4cb5c1fcc1ed.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 15, 2023
Raw hash: 02f2765b142354190654f588351276fb679327c2b3963893bccaccaa09ebaacf

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityMcAlester Regional Health Center

Victim entityMcAlester Regional Health Center

Incidentdiscovered May 8, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov