Healthcare data breaches
Healthcare data breaches can result from hacking, data theft, loss or unauthorized access. Whatever the cause, these breaches can potentially jeopardize patient privacy by exposing protected health information. Understanding the latest data breach patterns can help healthcare organizations mitigate risk.
Top Stories
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25 Apr 2025
Yale New Haven Health notifies nearly 5.6M people of breach
Yale New Haven Health reported a March hack and data breach to HHS impacting nearly 5.6 million individuals. Continue Reading
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23 Apr 2025
Blue Shield of California: Data of millions shared with Google
Blue Shield of California notified 4.7 million members of a breach, stating that Google Analytics was configured in a way that allowed member data to be shared with Google Ads for years. Continue Reading
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25 Mar 2020
140K Patients Impacted in Tandem Diabetes Care Phishing Attack
Several Tandem Diabetes employee email accounts were comprised during a three-day period after a phishing attack; an insider incident, email hack, and more phishing complete this week’s breach roundup. Continue Reading
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24 Mar 2020
Hackers Target WHO, COVID-19 Research Firm with Cyberattacks
Hackers unsuccessfully attempted to breach the network of WHO, while Maze ransomware hackers published sensitive data from a medical research firm on standby to work on a COVID-19 vaccine. Continue Reading
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16 Mar 2020
Illinois Public Health Website Hit With Ransomware Amid Coronavirus
Hackers infected an Illinois Public Health provider website with ransomware during the coronavirus pandemic; Maze Team exploits, phishing, malware, and a PACS incident complete this week’s breach roundup. Continue Reading
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09 Mar 2020
Monthlong Cyberattack Disrupts Operations at UKentucky Health
The University of Kentucky and its health system have been working to remove cryptocurrency malware from its systems; another cyberattack, phishing attacks, and ransomware complete this week’s breach roundup. Continue Reading
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26 Feb 2020
Accounting Firm Ransomware Hack Affects Community Care Patient Data
Maze hackers infected accounting firm BST with malware, which likely compromised patient data from Community Care Physicians; email compromises, computer hack, and a phishing incident complete this week’s breach roundup. Continue Reading
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21 Feb 2020
UW Medicine Hit with Lawsuit for Breach Impacting 974K Patients
About 974,000 UW Medicine patients were impacted by a breach caused by a misconfiguration error that lasted for several weeks; the lawsuit claims the health system did not provide accurate notice. Continue Reading
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20 Feb 2020
109K Patient Records Impacted in Overlake Medical Phishing Attack
Several Overlake Medical employees fell victim to phishing attacks, which provided attackers with account access; an email hack, updated breach reports, and ransomware complete this week’s breach roundup. Continue Reading
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19 Feb 2020
Over 41.4M Patient Records Breached in 2019, as Hacking Jumped 49%
The Protenus Breach Barometer shows over 41.4 million patient records were exposed by 572 security incidents in 2019, while hacking incidents surged and insider-related events decreased. Continue Reading
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12 Feb 2020
Malware Attack Hits Boston Children’s Hospital Physician Group
A physician group affiliated with Boston Children’s Hospital is experiencing a system outage caused by malware; email hacks, phishing, and database misconfiguration complete this week’s breach roundup. Continue Reading
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06 Feb 2020
Computer Theft Exposes Personal, Health Data of 654K Oregon Patients
A laptop owned by the transportation vendor of Health Share of Oregon was stolen, exposing the personal and health data of 654,000 patients. Continue Reading
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04 Feb 2020
Malware Destroys Data of 30,000 Fondren Orthopedic Patients
A malware incident damaged some Fondren Orthopedic medical records; ransomware, business email compromise, an email gaffe, phishing, and a payroll security incident complete this week’s breach roundup. Continue Reading
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28 Jan 2020
Health Data, Medical Documents Exposed by LabCorp Website Error
TechCrunch found the back-end of LabCorp’s internal customer relationship management system exposing patient health data; several phishing attacks complete this week’s breach roundup. Continue Reading
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16 Jan 2020
More Health Quest Patients Added to 2018 Phishing Attack Victims
Health Quest is notifying additional patients that their data was compromised after a 2018 phishing attack; ransomware, phishing, and device theft complete this week’s breach roundup. Continue Reading
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10 Jan 2020
Hackers Demand Ransom From Patients After Breaching Florida Clinic
Hackers are demanding patients of Florida provider Richard Davis, MD pay a ransom to prevent the release of their personal information following a breach of the clinic's server. Continue Reading
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09 Jan 2020
Data of 50K Alomere Health Patients Exposed by Employee Email Hack
An investigation into an initial employee email hack at Alomere Health revealed an earlier breach; ransomware attacks, an RCM vendor mailing error, and malware complete this week’s breach roundup. Continue Reading
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02 Jan 2020
New Mexico Hospital Finds Malware Infection on Digital Imaging Server
The healthcare data of 500 Roosevelt General Hospital patients was exposed by a malware infection; phishing attacks, ransomware, and insider wrongdoing complete this week’s breach roundup. Continue Reading
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23 Jul 2019
The 10 Biggest Healthcare Data Breaches of 2019, So Far
Hackers have hit the ground running in 2019, with sophisticated cyberattacks impacting millions of individuals; phishing and vendors continue to be a major pain point. Continue Reading
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18 Aug 2016
Possible PHI Security Breach in FL Respiratory Facility
Recent cases of potential PHI security breaches include an instance of unauthorized access, a cybersecurity attack, and a stolen briefcase. Continue Reading