Cyber resilience in healthcare: Overcoming security challenges in legacy systems

Yerabolu, Malleswar Reddy (2025) Cyber resilience in healthcare: Overcoming security challenges in legacy systems. World Journal of Advanced Engineering Technology and Sciences, 15 (1). pp. 185-192. ISSN 2582-8266

This article examines the critical cybersecurity challenges healthcare organizations face as they navigate digital transformation while protecting sensitive patient data. It provides a comprehensive overview of the evolving threat landscape targeting healthcare providers, highlighting the unique vulnerabilities created by legacy systems, medical IoT devices, and complex regulatory requirements. The article presents a structured framework for building cyber resilience, focusing on network segmentation, Zero Trust implementation, and AI-driven security monitoring. The article offers actionable guidance for healthcare organizations through detailed security implementation strategies, including risk assessment methodologies, practical security enhancements, and security culture development. By addressing the specific security challenges of the healthcare sector, the article demonstrates how organizations can protect patient data integrity, ensure care delivery continuity, and mitigate the financial and reputational impacts of cyber incidents.