Given the increased threats of cybersecurity incidents targeting U.S. hospitals and healthcare information systems, a joint cybersecurity advisory (Alert AA20-302A) has been issued by the Cybersecurity and Infrastructure Security Agency (CISA), the Federal Bureau of Investigation (FBI), and the Department of Health and Human Services (HHS). This advisory describes the tactics, techniques, and procedures (TTPs) used by cybercriminals against targets in the Healthcare and Public Health Sector (HPH) to infect systems with Ryuk ransomware for financial gain.