4.85M accounts from Charter (charter.com) were exposed in this breach. Besides email addresses, it included job titles, names and phone numbers.
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Email addressesJob titlesNamesPhone numbersPhysical addresses
In May 2026, the telecommunications company Charter Communications (the parent company behind the consumer broadband and cable brand Spectrum) was named by the ShinyHunters group in a "pay or leak" extortion campaign. The group later published the data, which exposed 4.9M unique email addresses along with names, phone numbers and physical addresses. A subset of approximately 85k records originating from an internal employee directory also included job titles. Charter confirmed the incident, but stated that no sensitive personal information or customer proprietary network information (CPNI) was exfiltrated.
Source: Have I Been Pwned (CC BY 4.0)