City of Tucson Discloses Data Breach Exposing 123K Individuals

October 10, 2022


The City of Tucson, Arizona, disclosed a data breach affecting the personal information of more than 123,000 individuals. The threat actors had access to the network between May 17 and May 31. They potentially accessed or stolen documents containing the information of 123,513 individuals.

"On May 29, 2022, the City learned of suspicious activity involving a user's network account credential," the data breach notification reads. "On August 4, 2022, the City learned that certain files may have been copied and taken from the City's network." The City began notifying potentially impacted individuals on September 23. The he attacker potentially accessed files included certain individuals' name, Social Security number, driver's license or state identification number, and passport number.

Incident Date

May 17, 2022

Estimated Cost


Type of Malware

No Malware identified

Threat Source

No threat source identified