California Water Service Company is an organization tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
California Water Service Company is a organization tracked across 1 threat cluster and 1 intelligence report mention on ThreatCluster. First observed June 13, 2026; most recent activity June 13, 2026.
The Iran-aligned hacking group Handala has claimed responsibility for breaching California water utility systems, framing the operation as retaliation for recent US airstrikes that damaged water infrastructure in Iran.…
California Water Service Company is an organization tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.
The most recent intelligence report mentioning California Water Service Company on ThreatCluster is dated June 13, 2026.
Across ThreatCluster reporting, California Water Service Company most frequently co-occurs with Data Breach, Cal Water, United States, CWE-200 - Exposure of Sensitive Information, T1041 - Exfiltration Over C2 Channel.
The most significant recent cluster is “Iran-Linked Hackers Breach California Water Systems in Retaliation for US Strikes” (33 articles · Updated June 12, 2026). California Water Service Company appears across 1 threat cluster in total, listed above with sources.
California Water Service Company appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.