Breach intelligence · MI
14 reported healthcare data breach incidents affecting 484K individuals. Sourced from 7 federal and community intelligence feeds. Updated nightly.
14
Incidents reported
484K
Individuals affected
Hacking
Top attack vector
Stable
6-month trend
Recent incidents
Reported to HHS OCR.
Reported to HHS OCR.
<projected> Projected from news reports · Not yet confirmed by HHS. Cherry Health in Michigan detected suspicious network activity on April 19, 2026.
Reported to HHS OCR.
Reported to HHS OCR.
Reported to HHS OCR.
Reported to HHS OCR.
Reported to HHS OCR.
Reported to HHS OCR.
<projected> Projected from news reports · Not yet confirmed by HHS. Corewell Health announced their former health care consulting vendor, Pinnacle Holdings, experienced a data breach in 2024, affecting thousands of patients.
Most affected entities
#1
2
incidents
9K
individuals
#2
2
incidents
111K
individuals
#3
1
incidents
0
individuals
#4
1
incidents
2K
individuals
#5
Attack vectors
Breakdown of breach types reported across 14 incidents in Michigan. Understanding which vectors dominate helps practices prioritize their security controls.
Michigan compliance requirements
Beyond federal HIPAA requirements, Michigan has its own breach notification law that may impose additional obligations on healthcare practices operating in the state.
Mich. Comp. Laws § 445.72
Notification deadline
Most expedient time possible
No fixed deadline — but unreasonable delay can result in enforcement action.
Attorney General notification
Not required
This is a general reference based on current Michigan law. Consult legal counsel for state-specific compliance obligations. Source: Mich. Comp. Laws § 445.72. Verified April 2026.
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FAQ
Patient Protect tracks 14 reported healthcare data breach incidents in Michigan, affecting approximately 484K 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 Michigan is Hacking/IT Incident, accounting for 7 of 14 incidents. Unauthorized Access/Disclosure is the second most common with 4 incidents.
Independent healthcare practices are the fastest-growing target for healthcare cyberattacks nationwide — attacks on small providers have increased 6x since 2021. Michigan 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.
Michigan requires breach notification within most expedient time possible. These requirements apply in addition to federal HIPAA's 60-day notification deadline. Reference: Mich. Comp. Laws § 445.72.
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.
1
incidents
8K
individuals
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Editorial coverage · From our partner publication
Editorial analysis of the breaches and enforcement actions reshaping Michigan's threat landscape. From the Patient Protect publication.
Jul 13, 2026 · Cybersecurity
The U.S. Treasury sanctioned a VPN provider and its Ukrainian administrator for supplying ransomware groups with anonymization tools used in attacks on hospitals and other critical infrastructure.
Read on HIPAA Pulse
Jul 13, 2026 · Breach
A laboratory services provider disclosed a data breach affecting roughly 540,000 individuals after the WorldLeaks extortion group claimed to have stolen 720 GB of data from its systems.
Read on HIPAA Pulse
Jul 11, 2026 · Cybersecurity
A ransomware negotiator hired to protect breach victims was sentenced to 70 months in federal prison after secretly feeding BlackCat ransomware operators inside information on their targets' defense strategies.
Read on HIPAA Pulse
Jul 10, 2026 · Cybersecurity
Cyberattacks targeting healthcare service providers and business associates more than doubled in the first half of 2026, outpacing the modest rise in direct attacks on hospitals and clinics.
Read on HIPAA Pulse
Jul 8, 2026 · Breach
A wave of class action lawsuits filed in state and federal courts targets large healthcare corporations accused of exposing or improperly sharing patients' protected health information and personally identifiable information.
Read on HIPAA Pulse
Jul 4, 2026 · Breach
AdaptHealth disclosed a social-engineering breach to the SEC that gave attackers access to patient management systems, document storage, an external EHR, and insurance billing credentials.
Read on HIPAA Pulse
HIPAA Pulse is the editorial publication of Patient Protect. PP’s HIPAA Response translates each story into operational guidance.
