The County of Tehama, California, has begun notifying employees, recipients of services, and affiliates that their personal information may have been compromised as a result of a data breach.
According to Tehama County, the incident was discovered on April 9, but it took until August 19 to conclude that Personally Identifiable Information (PII) had been compromised. The investigation established that files on the county’s department of social services systems were accessed between November 18, 2021, and April 9, 2022, by an unauthorized third party.
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The county declined to provide information about the type of cyber-attack it experienced, but in June, the creators of the Quantum ransomware leaked about 32 gigabytes of data that they claimed to have taken from the county’s computer systems.
Read More: California County Says Personal Information Compromised in Data Breach
