Charter Communications Confirms Data Breach After ShinyHunters Extortion Threat
U.S. telecommunications giant Charter Communications (operating as Spectrum) confirmed a data breach after the ShinyHunters extortion group threatened to leak stolen data. The breach, which reportedly occurred on April 1, 2026, involved a vishing attack that compromised an employee's Microsoft Entra account, leading to the export of millions of customer records from the company's Salesforce instance. ShinyHunters claimed to have stolen 40 million (or 4.9 million to 13 million in other reports) customer records, including names, email addresses, physical addresses, phone numbers, plan information, and customer support ticket data. Charter denied that sensitive personal information or customer proprietary network information (CPNI) was exfiltrated.
Signal context
First seen: May 26, 2026
Last updated: Jun 24, 2026
Status: Public signal
Key points
- Charter Communications confirmed a data breach following extortion threats from ShinyHunters.
- ShinyHunters claimed to have stolen 40 million records, though other reports indicate 4.9 million to 13 million.
- Exposed data includes names, email addresses, physical addresses, phone numbers, plan information, and customer support ticket data.
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
- 19 signals in the same sector
- 66 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
Charter confirms data breach after ShinyHunters extortion threat - Bleeping Computerhttps://www.bleepingcomputer.com/news/security/charter-confirms-data-breach-after-shinyhunters-extortion-threat/Public source from bleepingcomputer.com.
ShinyHunters extorts Charter Communications after data breach | brief | SC Mediahttps://www.scmagazine.com/brief/shinyhunters-extorts-charter-communications-after-data-breachPublic source from scmagazine.com.
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