Data Breaches 311,000 Impacted by Brown Health Medical Group-MA Data Breach Hackers stole personal information, medical records, and financial information from the organization’s server. Ionut ArghireAugust 5, 2026
Data Breaches 150,000 Impacted by Madera Community Hospital Data Breach An extortion group stole personal, financial, and medical information from the hospital’s network. Ionut ArghireAugust 4, 2026
Data Breaches CareCloud Data Breach Impacts Over 350,000 In March 2026, hackers stole personal, financial, and medical information from the company’s AWS environment. Ionut ArghireJuly 31, 2026
Data Breaches DentaQuest Data Breach Potentially Impacts Over 23 Million People In May 2026, hackers stole personal and dental health information from DentaQuest’s computer network. Ionut ArghireJuly 27, 2026
Data Breaches MCBS Data Breach Affects 1.2 Million Individuals The PEAR ransomware group claimed to have stolen 3 TB of information from the medical business management company. Eduard KovacsJuly 27, 2026
Data Breaches Clover Health Investments Discloses Data Breach Using social engineering, hackers compromised employee accounts with access to personal and health information. Ionut ArghireJuly 21, 2026
Data Breaches Centers Laboratory Data Breach Affects 540,000 Individuals The WorldLeaks extortion group claimed to have stolen 720 GB of data from the healthcare testing and laboratory services provider. Eduard KovacsJuly 13, 2026
Data Breaches Xsolis Data Breach Affects 1.4 Million Individuals Threat actors gained access to personal and protected health information that Xsolis received from its clients. Eduard KovacsJune 23, 2026
Data Breaches iRhythm Confirms Data Stolen in Hack The digital health company said it learned of the breach on June 8 and the attackers demanded a ransom. Eduard KovacsJune 16, 2026
Data Breaches Hackers Leak DentaQuest Information Impacting 2.6 Million The ShinyHunters extortion group leaked roughly 234 GB of data allegedly stolen from the dental benefits administrator. Ionut ArghireJune 5, 2026
Data Breaches Oncology Institute Discloses Data Breach The affected third-party vendor has not been named, but one possible candidate is TriZetto. Eduard KovacsMay 25, 2026
Data Breaches 266,000 Affected by Data Breach at Radiology Associates of Richmond Threat actors stole files containing names and protected health information from the healthcare organization’s systems. Ionut ArghireMay 25, 2026
Data Breaches Millions Impacted Across Several US Healthcare Data Breaches Several healthcare data breaches impacting hundreds of thousands and even millions were added to the HHS tracker. Eduard KovacsMay 18, 2026
Data Breaches 716,000 Impacted by OpenLoop Health Data Breach The telehealth platform was hacked in January, and users’ personal information was exfiltrated from its systems. Ionut ArghireMay 13, 2026
Data Breaches West Pharmaceutical Services Hit by Disruptive Ransomware Attack The company took systems offline globally after hackers exfiltrated data and deployed file-encrypting ransomware. Ionut ArghireMay 12, 2026
Data Breaches Sandhills Medical Says Ransomware Breach Affects 170,000 It took the healthcare organization nearly one year to publicly disclose a data breach after it was targeted by Inc Ransom. Eduard KovacsApril 30, 2026
Vulnerabilities 38 Vulnerabilities Found in OpenEMR Medical Software Some of the vulnerabilities discovered by Aisle can be exploited to access and alter sensitive patient information. Eduard KovacsApril 29, 2026
Data Breaches Data Breaches at Healthcare Organizations in Illinois and Texas Affect 600,000 Data breaches were disclosed by Southern Illinois Dermatology, Saint Anthony Hospital, and North Texas Behavioral Health Authority. Eduard KovacsApril 21, 2026
Data Breaches Data Breach at Tennessee Hospital Affects 337,000 Cookeville Regional Medical Center was targeted last year by the Rhysida ransomware group, which stole 500GB of data. Eduard KovacsApril 16, 2026
Cybercrime Massachusetts Hospital Diverts Ambulances as Cyberattack Causes Disruption Signature Healthcare was forced to cancel some services, and pharmacies are unable to fill prescriptions due to the hacker attack. Eduard KovacsApril 8, 2026