Breach intelligence · IL
25 reported healthcare data breach incidents affecting 979K individuals. Sourced from 7 federal and community intelligence feeds. Updated nightly.
25
Incidents reported
979K
Individuals affected
Hacking
Top attack vector
Stable
6-month trend
Recent incidents
| Date | Entity | Individuals | Source | Severity |
|---|---|---|---|---|
| Mar 23, 2026 | Option Care Health, Inc. | 2,086 | Hhs Breach | — |
| Mar 3, 2026 | Transitions of Western Illinois, Inc. | 805 | Hhs Breach | — |
| Feb 6, 2026 | Howard Brown Health | 8,357 | Hhs Breach | — |
| Feb 4, 2026 | Illinois Department of Human Services | 705,017 | Hhs Breach | — |
| Feb 4, 2026 | Iroquois Memorial Hospital | 621 | Hhs Breach | — |
| Feb 4, 2026 | Chicago Cosmetic Surgery and Dermatology | 700 | Hhs Breach | — |
| Jan 17, 2026 | TriCity Family Services | 2,511 | Hhs Breach | — |
| Dec 25, 2025 | Keystone Alliance, Inc. | 1,021 | Hhs Breach | — |
| Dec 25, 2025 | Sedgebrook OpCo SL VII LLC | 7,382 | Hhs Breach | — |
| Dec 25, 2025 | Innovative Physical Therapy | 2,023 | Hhs Breach | — |
| Dec 25, 2025 | Saint Anthony Hospital | 6,679 | Hhs Breach | — |
| Dec 24, 2025 | Walgreen Co. | 2,708 | Hhs Breach | — |
| Dec 24, 2025 | Children's Home & Aid dba Brightpoint | 1,051 | Hhs Breach | — |
| Dec 24, 2025 | Alera Group, Inc. | 155,567 | Hhs Breach | — |
| Dec 24, 2025 | Naper Grove Vision Care | 501 | Hhs Breach | — |
| Dec 24, 2025 | UChicago Medicine Medical Group | 38,656 | Hhs Breach | — |
| Dec 24, 2025 | Blue Cross Blue Shield of Texas | 593 | Hhs Breach | — |
| Dec 24, 2025 | Allied Services Division Welfare Fund | 5,727 | Hhs Breach | — |
| Dec 24, 2025 | Family Christian Health Center | 12,500 | Hhs Breach | — |
| Dec 24, 2025 | Thrive Physical Therapy Partners | 986 | Hhs Breach | — |
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Most affected entities
#1
1
incidents
2K
individuals
#2
1
incidents
805
individuals
#3
1
incidents
705K
individuals
#4
1
incidents
621
individuals
#5
1
incidents
700
individuals
Attack vectors
Breakdown of breach types reported across 25 incidents in Illinois. Understanding which vectors dominate helps practices prioritize their security controls.
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FAQ
Patient Protect tracks 25 reported healthcare data breach incidents in Illinois, affecting approximately 979K 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 17 of 25 incidents. Unauthorized Access/Disclosure is the second most common with 7 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.
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