Cucamonga Valley Water District (United States) notified the California Attorney General of a data breach on 30 June 2025. The breach began on 15 August 2024, 319 days before it was reported.
Status
Confirmed breach
People affected
Not reported yet
Reported
30 June 2025
Breach began
15 August 2024
Time to tell
319 days (the median in California’s notices over the last year: 154 days)
What was exposed
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does.
Before the notice: the ransomware gang Fog named Cucamonga Valley Water District on its leak site on 25 October 2024, 248 days before this was reported. Matched by the organisation’s name: the notice itself does not say who the attacker was.
Look for Cucamonga Valley Water District’s own notice or letter: it should say what of yours was involved. Keep it.
The register’s list does not say what was exposed; the notice it links to (under Sources) usually does. If Cucamonga Valley Water District has a password of yours, change it now to be safe.
Expect scams that use your details: calls, texts or emails pretending to be Cucamonga Valley Water District, your bank or the police. Never give codes or passwords, never approve a sign-in you did not start, never move money.