Breach intelligence · DE
24 reported healthcare data breach incidents affecting 92K individuals. Sourced from 7 federal and community intelligence feeds. Updated nightly.
24
Incidents reported
92K
Individuals affected
Other
Top attack vector
Stable
6-month trend
Recent incidents
| Date | Entity | Individuals | Source | Severity |
|---|---|---|---|---|
| Dec 25, 2025 | Millcreek Pediatrics | 14,095 | Hhs Breach | — |
| Jan 1, 1970 | Anne Arundel Dermatology | 8,002 | State Ag | — |
| Jan 1, 1970 | Johnson Controls | 3,722 | State Ag | — |
| Jan 1, 1970 | Kelly & Associates | 2,399 | State Ag | — |
| Jan 1, 1970 | SouthEast Series of Lockton Companies, LLC. | 3,503 | State Ag | — |
| Jan 1, 1970 | Lemonade Inc. | 1 | State Ag | — |
| Jan 1, 1970 | McLean Mortgage Corporation | 597 | State Ag | — |
| Jan 1, 1970 | Kelly and Associates Ins. Group | 1,651 | State Ag | — |
| Jan 1, 1970 | LexisNexis Risk Solutions | 1,393 | State Ag | — |
| Jan 1, 1970 | Southeast Series of Lockton Companies, LLC | 3,501 | State Ag | — |
| Jan 1, 1970 | Water Pro, Inc. d/b/a Culligan Water | 14,780 | State Ag | — |
| Jan 1, 1970 | EB Archbald and Associates, Inc. | 14 | State Ag | — |
| Jan 1, 1970 | The Hertz Corporation, including the Hertz Dollar and Thrifty Brands | 3,118 | State Ag | — |
| Jan 1, 1970 | Kelly and Associates Ins. Group | 2,639 | State Ag | — |
| Jan 1, 1970 | Change Healthcare | -1 | State Ag | — |
| Jan 1, 1970 | The Hertz Corporation, including the Hertz Dollar and Thrifty Brands | 3,118 | State Ag | — |
| Jan 1, 1970 | Substitute Teacher Service, Inc | 2,045 | State Ag | — |
| Jan 1, 1970 | Substitute Teacher Service, Inc. | 2,045 | State Ag | — |
| Jan 1, 1970 | Landmark Admin, LLC. | 0 | State Ag | — |
| Jan 1, 1970 | Kelly and Associates Ins. Group | 2,639 | State Ag | — |
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Most affected entities
#1
3
incidents
7K
individuals
#2
2
incidents
6K
individuals
#3
1
incidents
14K
individuals
#4
1
incidents
8K
individuals
#5
1
incidents
4K
individuals
Attack vectors
Breakdown of breach types reported across 24 incidents in Delaware. Understanding which vectors dominate helps practices prioritize their security controls.
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FAQ
Patient Protect tracks 24 reported healthcare data breach incidents in Delaware, affecting approximately 92K 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 Delaware is Other/Unknown, accounting for 21 of 24 incidents. Hacking 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. Delaware 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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