Tri Counties Bank

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Tri Counties Bank, a subsidiary of TriCo Bancshares, experienced a cybersecurity incident in February 2023 involving malware that prevented access to certain files on its internal network. The Bank took systems offline, engaged forensic investigators, and notified law enforcement and banking regulators. Its investigation determined that between February 7 and February 8, 2023 an unauthorized actor may have had access to systems storing sensitive customer and employee information, including Social Security numbers, financial account information and medical information. The Bank restored access to its internal systems after approximately one week, and potentially impacted individuals will be notified and offered 24 months of Experian IdentityWorks credit monitoring and credit restoration services at no cost.

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