More often than not, there is a data breach happening in the news. In fact, according to TechTarget, the first half of the year alone saw over 30 million individuals affected by healthcare data breaches, with hacking and IT incidents accounting for the majority. In this article, some of the largest breaches are highlighted, showing they had not only compromised patient privacy but also disrupted critical healthcare services, leading to significant operational downtime. Dive into some of the largest breaches of the year in this article.
Anne Arundel Dermatology Data Breach July 2025
In July 2025, Anne Arundel Dermatology reported a data breach impacting approximately 1.9 million individuals across 30 locations. The unauthorized access occurred between February and May 2025, exposing sensitive health information such as names, birth dates, and insurance details. This breach highlights the vulnerability of healthcare providers to cyber threats and the potential for extensive downtime during breach investigations and remediation efforts.
Radiology Associates of Richmond Data Breach April 2024
Radiology Associates of Richmond disclosed a breach affecting 1.4 million individuals, with unauthorized access occurring in April 2024, but was reported in July 2025, over a year later! The breach involved both personal and protected health information, necessitating a comprehensive investigation and containment process. Such incidents underscore the critical need for robust cybersecurity measures to prevent unauthorized access and minimize downtime during recovery. According to TechTarget, this breach is the fifth-largest data breach reported to OCR in 2025, so far.
Integrated Oncology Network Data Breach
A phishing attack on Integrated Oncology Network led to breaches across 23 provider organizations, collectively impacting nearly 123,000 individuals. The breach compromised emails and SharePoint files containing sensitive patient data, including diagnoses, treatment information, and financial details. This scenario illustrates how a single vulnerability can cascade across multiple entities, amplifying downtime and operational disruptions.
Breaches Continue to Rise in 2025
Healthcare organizations are increasingly targeted by cybercriminals due to their critical infrastructure and the sensitive nature of the data they handle. According to the Australian, The healthcare sector now ranks as the third-most targeted industry for ransomware attacks, with incidents surging over 32% from 2023 to 2024. These attacks often lead to significant downtime, affecting everything from patient care to administrative functions.
The financial impact of such downtime is substantial. According to TechTarget, the average cost of a healthcare data breach is approximately $9.77 million, the highest among all industries . Beyond the immediate financial costs, downtime can erode patient trust, disrupt care delivery, and lead to regulatory scrutiny.
Take a Downtime Assessment with dbtech
At dbtech, we offer a comprehensive Downtime Assessment that evaluates your organization’s preparedness for both planned and unplanned IT disruptions. We assess your current procedures, communication strategies, and documentation practices to identify potential vulnerabilities and areas for improvement.
Talk to our team today and schedule a Downtime Assessment that offers a valuable starting point for your organizations to have procedures in place to mitigate the growing cyber threat landscape.