The measure usually reserved to deal with natural disasters or the COVID-19 pandemic would free up the government to react more nimbly to the crisis. President Rodrigo Chaves, who was sworn in Sunday, made the emergency declaration one of his first acts. The Russian-speaking Conti gang had claimed responsibility for the attack. The attack began in April when the Finance Ministry was the first to report that a number of its systems were affected including tax collection and customs. Attacks also targeted the social security agencys human resources system and Labor Ministry.
Source: https://wtop.com/latin-america/2022/05/costa-rica-declares-emergency-in-ongoing-cyber-attack/