The mayor of New Orleans Friday declared a state of emergency after the city detected what is now believed to be a Ryuk ransomware attack.

Mayor LaToya Cantrell said the attack closely resembles previous attacks on the state of Louisiana less than a month ago. Louisiana activated its cybersecurity team in mid-November after the state was targeted in an attempted ransomware attack similar to those aimed at government organizations and local school districts during the summer, the newly re-elected Governor John Bel Edwards tweeted at the time. 

In this latest incident, New Orleans officials began taking systems offline after noticing suspicious activity, including phishing attempts, last Friday at 5 a.m. “The city remains actively involved in recovery efforts related to the cybersecurity incident last Friday and individual agencies and departments will be impacted in various ways,” Cantrell tweeted Sunday evening.

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