Madison Square Garden (MSG) has reported a data breach that exposed names and Social Security numbers due to a zero-day vulnerability in Oracle’s E-Business Suite, managed by a third-party vendor.

Academic Urology & Urogynecology of Arizona has notified over 73,000 individuals of a data breach that compromised sensitive personal, financial, and medical information. The breach is attributed to the ransomware group Inc.

The Jefferson Blount St. Claire Mental Health Authority in Birmingham, Alabama, experienced a significant data breach in November 2025, affecting over 30,000 individuals.

A data breach has occurred at Neurological Associates of Washington, affecting 13,500 individuals. The breach involved the theft of sensitive information, including Social Security numbers and medical records, by the ransomware group DragonForce.

Portland Public Schools in Maine has confirmed a data breach affecting over 12,000 individuals, compromising sensitive personal information. The breach was claimed by the ransomware group RansomHub, known for targeting educational institutions.

A significant data breach at Alpine Ear, Nose & Throat has compromised the personal information of over 65,000 individuals. The breach, attributed to the ransomware group BianLian, involved the theft of sensitive data.

A data breach has occurred at the MACT Health Board, affecting several clinics in California's Sierra Foothills. The breach, attributed to the ransomware group Rhysida, has compromised sensitive personal and medical information of patients.

A significant data breach at Cytek Biosciences, a medical manufacturer based in Fremont, California, has been attributed to the ransomware group Rhysida. This breach has compromised sensitive personal and financial information of 331 individuals.

Spindletop Center, a behavioral health clinic in Texas, experienced a significant data breach in September 2025. Rhysida ransomware claimed responsibility for the attack, demanding a ransom of 15 bitcoin, equivalent to $1.65 million at the time.

Pulse Urgent Care Center in Redding, California, experienced a data breach in March 2025, compromising sensitive patient information, including Social Security numbers, driver's license numbers, medical information, and health insurance details.