HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedPIIPHIIdentity (basic)Government IDHealth (basic)MinorCriticalContained

ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO

bd_022e63521ff140fb · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 17, 2024

Filed

Jun 27, 2024

To disclose

10 days

Affected · nationwide

791,7848 in this filing

Linked

11 filings

Confidence

66%

Full breach record for ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO →9 incidents on file

Ann & Robert H. Lurie Children's Hospital of Chicago reported a cybersecurity attack occurring Jan 26-31, 2024. Cybercriminals accessed systems, impacting PII and PHI of 791,784 individuals, including 8 Maine residents. The hospital took systems offline, engaged forensic experts and law enforcement, and notified affected individuals on June 27, 2024, offering 24 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >90d10 days 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 · 143 days

discovery → filing · 10 days

Jan 26, 2024

Begins

Jun 17, 2024

Discovered

Jun 27, 2024

Filed

vs. sector median

11 wks faster

This filing is one of 11 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 148 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (2)

Leak Siterhysidabd_52921f58da05d5ad2024-02-27 · +121dVerified by operator
Leak Siterhysidabd_2bd92d4f514d01f42024-01-31 · +148dVerified by operator

Regulatory filings (8) · sorted by filing gap

Massachusetts State AGbd_35c645939567579c2024-06-27Verified
HHS OCRbd_4d5dd308bec3adc42024-06-27Verified by operator
Indiana State AGbd_8f4e71a1b5b1e03a2024-06-27Verified
California State AGbd_a10306c02fabcbf92024-06-27Verified

Show 4 more filings ↓up to 324d gap

Vermont State AGbd_f01d8d4f32bfa4042024-06-27Verified
Illinois State AGbd_b1240fdab9182a2b2024-06-01 · +26dCandidate
Pressrhysidabd_df9c4e148aeb5cba2024-01-31 · +148dCandidate
HHS OCRbd_100066233a59c55f2023-08-08 · +324dVerified

Name: ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO
norm: ann robert h lurie children s hospital of chicago
Domain: luriechildrens.org

Name: ANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO
norm: ann robert h lurie children s hospital of chicago
Domain: luriechildrens.org
Industry: Healthcarellm

Discovered: Jun 17, 2024
Breach occurred: Jan 26, 2024 – Jan 31, 2024
Undetected for: 143 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 27, 2024
Affected individuals: 791,784state + nationwide
Data types: PIIPHIIdentity (basic)Government IDHealth (basic)Minor
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Notified Maine Attorney General
Initial access: exploit_public_facing

During the incident: Took certain electronic systems offline, including email, phones, and electronic health record system (Epic)
Activated standard incident response procedures, including the Hospital Incident Command Structure
Retained leading cybersecurity experts and legal counsel
Worked closely with law enforcement
Changes made: Implemented additional cybersecurity safeguards
Offering complimentary access to Experian IdentityWorks for 24 months
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 10 days(10 days from discovery to filing)
Compliance flags: Leak >90dME AG ≤30d · 10d
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: Jun 17, 2024
→ Filed with AG: Jun 27, 2024
10d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 17, 2024 → Filed with AG: Jun 27, 2024	10d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 6 states

View merged incident ↗

HHS OCRAug 8 · first

Press+176d

Illinois State AG+298d

Massachusetts State AG+324d

HHS OCR+324d

Indiana State AG+324d

California State AG+324d

Vermont State AG+324d

Maine State AG+324d · this page

Pattern: first filing Aug 8 (IL), last Jun 27 (ME) — a 324-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-a1252b4f8318/64c3b313-0c3c-4820-af10-6afef36d08e1.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 27, 2024
Raw hash: 4edf267aec27fd940fb3181fdca55246a94113449e847b0615d39f3ce8669004

Linked disclosures

Ransomware claims (2)

Regulatory filings (8) · sorted by filing gap

Reporting entityANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO

Victim entityANN & ROBERT H. LURIE CHILDREN'S HOSPITAL OF CHICAGO

Incidentdiscovered Jun 17, 2024

Stated responseTook certain electronic systems offline, including email, phones, and electronic health record system (Epic)

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov