A cyber group from Iran, known as Handala, has claimed responsibility for a hack on Cal Water. The group published a significant amount of data, totaling 5GB, which includes sensitive customer information. This data breach also exposed credentials for the RTKBase platform, potentially allowing further unauthorized access. The hack's impact is currently limited to the released information, which includes personal details of customers. The breach highlights a cybersecurity incident involving a specific water company and a claim of responsibility by an Iranian cyber group.

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