Charter Communications (Spectrum) Data Breach by ShinyHunters
Charter Communications, operating as Spectrum, confirmed a cybersecurity incident after the ShinyHunters extortion group claimed to have breached its systems on April 1, 2026. ShinyHunters stated they gained access through a voice phishing (vishing) attack on an employee's Microsoft Entra account, then exfiltrated customer data from Charter's Salesforce environment. The group claims to have stolen over 40 million records, including names, email addresses, physical addresses, phone numbers, plan information, and support ticket data. Charter disputes the scale and sensitivity of the data taken, stating only sales tools for business customers were impacted and no sensitive personal information or customer proprietary network information (CPNI) was released.
Signal context
First seen: Apr 1, 2026
Last updated: Jun 25, 2026
Status: Public signal
Key points
- ShinyHunters breached Charter Communications (Spectrum) on April 1, 2026.
- Initial access gained via voice phishing an employee's Microsoft Entra account.
- Customer data allegedly exfiltrated from Salesforce environment.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Information
Likely country: Location not provided
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: possible insider or internal misuse
Impact area: Confidentiality
Likely asset: User or customer data
- 26 signals in the same sector
- 90 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
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