Every public data breach

44 disclosed this week · 26,355 on record

Copper Valley Telephone Cooperative

1 breach2,663 affected in allTelecom

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Every breach here links to its sources and official notices. Across Glyph: lawsuits, incidents and outages.

Added2026-09-25
Copper Valley Telephone Cooperative, 2025-01-02
Added2026-09-25
Copper Valley Telephone Cooperative