California Water Service Company — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
1
occurrences
First Seen
June 13, 2026
Last Seen
June 13, 2026

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.

Related Threat Clusters

Recent Intelligence Reports

  • Handala Hacks California Water Systems After US Strike on Iran's Reservoirs — Ground.News · June 13, 2026

Frequently asked questions

What is California Water Service Company?

California Water Service Company is an organization tracked by ThreatCluster, appearing in 1 threat cluster built from 1 intelligence report mention.

Is California Water Service Company still active?

The most recent intelligence report mentioning California Water Service Company on ThreatCluster is dated June 13, 2026.

What is California Water Service Company associated with?

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.

What are the latest developments involving California Water Service Company?

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.

How much reporting does ThreatCluster have on California Water Service Company?

California Water Service Company appears in 1 intelligence report mention across 1 deduplicated threat cluster, aggregated from 17,000+ monitored sources.

CVSS v3.1 Breakdown