The cyberattack started on February 8 and was disclosed on February 10, when Oakland announced that it had taken systems offline to contain the incident, but that emergency services were not impacted.
One week later, while continuing restoration efforts, the city declared a local state of emergency, to speed up the procurement of equipment and materials.
On March 1, the Play ransomware operators created a listing on their leak website, claiming to be in the possession of large amounts of data stolen from the city.
