Breach intelligence · IL
16 reported healthcare data breach incidents affecting 26.0M individuals. Sourced from 7 federal and community intelligence feeds. Updated nightly.
16
Incidents reported
26.0M
Individuals affected
Hacking
Top attack vector
Stable
6-month trend
Recent incidents
| Date | Entity | Individuals | Source | Severity |
|---|---|---|---|---|
| May 17, 2026 | Erie Family Health Centers | 570,000 | Hhs Breach | Critical |
| May 10, 2026 | Continental Casualty Company (CNA) | 6,086 | Hhs Breach | High |
| Apr 21, 2026 | Option Care Health, Inc. | 1,891 | Hhs Breach | High |
| Apr 20, 2026 | Southern Illinois Dermatology | 160,312 | Hhs Breach | Critical |
| Apr 20, 2026 | Saint Anthony Hospital | 146,108 | Hhs Breach | Critical |
| Mar 23, 2026 | Option Care Health, Inc. | 2,086 | Hhs Breach | High |
| Mar 3, 2026 | Transitions of Western Illinois, Inc. | 805 | Hhs Breach | Medium |
| Feb 6, 2026 | Howard Brown Health | 8,357 | Hhs Breach | High |
| Feb 4, 2026 | Illinois Department of Human Services | 705,017 | Hhs Breach | Critical |
| Feb 4, 2026 | Iroquois Memorial Hospital | 621 | Hhs Breach | Medium |
| Feb 4, 2026 | Chicago Cosmetic Surgery and Dermatology | 700 | Hhs Breach | Medium |
| Jan 17, 2026 | TriCity Family Services | 2,511 | Hhs Breach | High |
| Dec 25, 2025 | Keystone Alliance, Inc. | 1,021 | Hhs Breach | High |
| Jan 1, 1970 | Advocate Health Care | 200,000 | State Ag | Critical |
| Jan 1, 1970 | Medi-Cal | 24,000,000 | State Ag | Critical |
| Jan 1, 1970 | Midwest Health System | 150,000 | State Ag | Critical |
Swipe to view full table →
Most affected entities
#1
2
incidents
4K
individuals
#2
1
incidents
160K
individuals
#3
1
incidents
570K
individuals
#4
1
incidents
6K
individuals
#5
1
incidents
146K
individuals
Attack vectors
Breakdown of breach types reported across 16 incidents in Illinois. Understanding which vectors dominate helps practices prioritize their security controls.
Illinois compliance requirements
Beyond federal HIPAA requirements, Illinois has its own breach notification law that may impose additional obligations on healthcare practices operating in the state.
815 ILCS 530/10
Notification deadline
Most expedient time possible
No fixed deadline — but unreasonable delay can result in enforcement action.
Attorney General notification
Required (500+ individuals)
Illinois BIPA imposes strict requirements on biometric data collection and has a private right of action. Healthcare practices using biometric authentication (fingerprint scanners, facial recognition) must comply.
Illinois requires AG notification for any breach, but breaches affecting 500+ individuals require expedited notification.
This is a general reference based on current Illinois law. Consult legal counsel for state-specific compliance obligations. Source: 815 ILCS 530/10. Verified April 2026.
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FAQ
Patient Protect tracks 16 reported healthcare data breach incidents in Illinois, affecting approximately 26.0M individuals. Data is sourced from HHS OCR, State Attorney General offices, FTC enforcement, and community intelligence — updated nightly.
The most frequently reported breach vector in Illinois is Hacking/IT Incident, accounting for 11 of 16 incidents. Unauthorized Access/Disclosure is the second most common with 2 incidents.
Independent healthcare practices are the fastest-growing target for healthcare cyberattacks nationwide — attacks on small providers have increased 6x since 2021. Illinois practices face the same threat landscape with fewer resources to defend against it. Patient Protect provides breach prevention specifically for independent practices starting at $39/month.
Illinois requires breach notification within most expedient time possible, and requires notification to the Attorney General when 500 or more individuals are affected. These requirements apply in addition to federal HIPAA's 60-day notification deadline. Reference: 815 ILCS 530/10.
Explore the full breach intelligence dashboard with 12 analytical views, risk forecasting, and attack chain visualization.
Open full dashboardData Disclaimer: This data is aggregated from publicly available sources including the HHS OCR Breach Portal, FTC, state AG databases, CISA advisories, and curated reporting. Certain records are algorithmically modeled from news sources and labeled accordingly. Data is provided “as-is” for informational purposes only. Inclusion of any entity does not imply wrongdoing. Users must independently verify information before relying on it. See Terms of Use.
Editorial coverage · From our partner publication
Editorial analysis of the breaches and enforcement actions reshaping Illinois's threat landscape. From the Patient Protect publication.
May 25, 2026 · Breach
Radiology Associates of Richmond disclosed a data breach affecting 266,000 individuals after threat actors exfiltrated files containing names and protected health information from its systems.
Read on HIPAA Pulse
May 22, 2026 · Breach
Radiology Associates of Richmond disclosed a second data breach in under two years, with the latest incident affecting 266,000 patients and reported to Maine's Attorney General in May 2026.
Read on HIPAA Pulse
May 22, 2026 · Breach
Verizon's 2026 Data Breach Investigations Report finds healthcare facing a sharper threat from social engineering while ransomware and third-party vendor compromises continue to drive significant breach volume across the sector.
Read on HIPAA Pulse
May 18, 2026 · Breach
A healthcare software vendor serving the congressional physician's office was breached in early March, exposing prescription data — but lawmakers were not notified until more than two months after the intrusion.
Read on HIPAA Pulse
May 16, 2026 · Litigation
A federal jury in Michigan convicted a home health care agency owner and nurse of running a $1.6 million Medicare fraud scheme built on stolen patient records from 2018 to 2021.
Read on HIPAA Pulse
May 13, 2026 · Breach
OpenLoop Health, a telehealth platform serving independent practices and health systems, disclosed a January 2025 breach that exposed personal data belonging to roughly 716,000 individuals.
Read on HIPAA Pulse
HIPAA Pulse is the editorial publication of Patient Protect. PP’s HIPAA Response translates each story into operational guidance.
