CHARTER COMMUNICATIONS, INC.

Over 42M records containing PII have been compromised. This is a final warning to reach out by 27 May 2026 before we leak along with several annoying (digital) problems that'll come your way. Make the right decision, don't be the next headline. Pay or Leak. | Updated: 23 May 2026 | Warning: FINAL WARNING PAY OR LEAK

Charter Communications, Inc. (ticker CHTR) filed its 10-K Item 1C disclosing that cybersecurity risks are classified as a Tier 1 risk. The company describes a comprehensive risk management program involving third-party assessments, NIST framework alignment, and supply-chain risk management. As of the filing date, Charter stated it is not aware of any cybersecurity threats that have materially affected or are reasonably likely to materially affect its business, strategy, or financial condition. The filing details governance structures, including Board oversight via the Audit Committee and a unified cybersecurity leadership team.

Charter Communications (Spectrum) notified customers of unauthorized access to a limited number of Spectrum.net accounts. Attackers used credentials from a third-party breach to access accounts and add email identities to facilitate social media account takeovers. Affected data included usernames, passwords, and basic PII. No SSN or financial data was accessed. Charter reset passwords and limited identity additions.

Charter Communications notified the California Attorney General of suspicious account activity detected on December 21, 2022. The company proactively required password resets for affected accounts as a precautionary measure. No specific data types were confirmed as compromised, but credentials were the focus of the remediation. The incident is considered contained.

Charter Communications reported a data breach to the Oregon Attorney General. The breach was reported on 2023-02-10. The breach occurred during 12/21/2022 - 12/27/2022. The breach was discovered on 12/25/2022. 13,365 individuals were affected. Notice was sent on 1/7/2023.