Cal Water is an organization tracked by ThreatCluster, appearing in 1 threat cluster built from 2 intelligence report mentions.
Cal Water is a organization tracked across 1 threat cluster and 2 intelligence report mentions on ThreatCluster. First observed June 12, 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.…
Cal Water is an organization tracked by ThreatCluster, appearing in 1 threat cluster built from 2 intelligence report mentions.
The most recent intelligence report mentioning Cal Water on ThreatCluster is dated June 13, 2026. Activity was first observed June 12, 2026, giving a tracked span from then to June 13, 2026.
Across ThreatCluster reporting, Cal Water most frequently co-occurs with Data Breach, California Water Service, California Water Service Company, United States, CWE-200 - Exposure of Sensitive Information, among 7 tracked related entities.
The most significant recent cluster is “Iran-Linked Hackers Breach California Water Systems in Retaliation for US Strikes” (33 articles · Updated June 12, 2026). Cal Water appears across 1 threat cluster in total, listed above with sources.
Cal Water appears in 2 intelligence report mentions across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.