June 15, 2026 15:08

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Iranian hackers claim Cal Water breach, threaten service

Atherton, Menlo Park, San Mateo, cyberattack, water, security, crime, San Mateo County, Breaking, Warning

An Iranian hacking group, Handala, claimed it breached California Water Service systems, obtaining customer data and threatening to shut off water. Cal Water says no evidence of compromise.

- Handala released a 5GB sample of customer data including names, addresses, and payment history. - The group claimed it could shut off water, but experts say no evidence supports this.

- Cal Water serves 2 million people across 23 districts in California. - Federal agencies warned in April about Iranian groups targeting U.S.

utilities. The investigation is ongoing, with no operational disruptions reported.

This story was originally reported by almanacnews. Read the original article here.

Summarized by CaliforniaToday AI.

Tags

AthertonMenlo ParkSan MateocyberattackwatersecuritycrimeSan Mateo CountyBreakingWarning
CALIFORNIA WEATHER

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