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Hackers Claim Charter Breach: Millions of Records Stolen?
4 Jun
Summary
- Charter confirms cybersecurity incident amid hacker claims.
- Hackers allege millions of customer records were stolen.
- Company states sensitive customer data was not compromised.
Charter, a major US broadband provider, confirmed a cybersecurity incident after the ransomware group ShinyHunters claimed to have stolen millions of records. The hackers allege the breach occurred on April 1, 2026, initiated via a voice phishing (vishing) attack that compromised an employee's Microsoft Entra account.
ShinyHunters claims to have accessed Charter's Salesforce system, exfiltrating customer names, emails, addresses, phone numbers, plan details, and support ticket data. They also claim private telecom account data was stolen. Charter, however, stated that only sales tools for business customers were impacted and denied the release of sensitive personal information or private telecom account data.
Despite Charter's assurances, the discrepancy between the company's statement and the hackers' claims necessitates customer vigilance. Exposed contact details could be used to create more believable phishing attempts, impersonating Charter or Spectrum to solicit information or payments.
Companies are advised to enhance training for employees on verifying unexpected support calls and to implement stronger security measures for cloud-based tools. Customers should exercise caution with unsolicited communications, avoid sharing login codes over the phone, change Spectrum passwords, and regularly check account details.
