CISA Alert AA23-040A: Maui and HolyGhost Ransomware Target Critical Infrastructure

On February 09, 2023, The Cybersecurity and Infrastructure Security Agency (CISA) published a joint advisory on ransomware attacks against the Healthcare sector and other critical infrastructure in the United States and South Korea [1]. The CISA states that North Korean state-sponsored threat actors are responsible for these ransomware attacks. In their attacks, the North Korean adversaries exploited known critical vulnerabilities and deployed Maui and HolyGhost ransomware.

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