Two municipalities were hit with ransomware attacks that effectively shut down large portions of their computer networks, restricting access to many records.

The affected entities are the City of Sammamish, Wash., and the Salisbury, Md. Police Department.

Sammamish city officials deemed the attack, which hit on Jan. 23, severe enough to declare an emergency, which allowed the city to bring in outside security professionals to help mitigate the problem, reported KIRO7. The city is currently working to assess exactly which systems are impacted, the level of penetration the attackers achieved, and how to regain access to the data.

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