Cyber security attacks evidence has shown that many sectors and industries are still at an insufficient level of readiness to counter these threats, including healthcare organizations and the entire healthcare industry. The COVID-19 pandemic has additionally launched the issue of cyber protection of healthcare systems and connected medical and other devices as well as modern IT components, which are often the entry point for attackers against healthcare organizations. With the aim of a systematic approach to cyber security in healthcare organizations, this article comprehensively presents cyber risks and possible consequences of attacks in the context of healthcare organization services, as well as identifies the five most important cyber security challenges and provides recommendations for establishing protection mechanisms in line with best practices.