Incident Score: Analysis & Impact (CHA1780079551)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Charter Communications's Cyber Attack and lateral movement inside company's environment.
- Overview of affected data sets, including SSNs and PHI, and why they materially increase incident severity.
- How Rankiteo’s incident engine converts technical details into a normalized incident score.
- How this cyber incident impacts Charter Communications Rankiteo cyber scoring and cyber rating.
- Rankiteo’s MITRE ATT&CK correlation analysis for this incident, with associated confidence level.
Full Incident Analysis Transcript
In this Rankiteo incident briefing, we review the Charter Communications breach identified under incident ID CHA1780079551.
The analysis begins with a detailed overview of Charter Communications's information like the linkedin page: https://www.linkedin.com/company/charter-communications, the number of followers: 179379, the industry type: Telecommunications and the number of employees: 33539 employees
After the initial compromise, the video explains how Rankiteo's incident engine converts technical details into a normalized incident score. The incident score before the incident was 766 and after the incident was 750 with a difference of -16 which is could be a good indicator of the severity and impact of the incident.
In the next step of the video, we will analyze in more details the incident and the impact it had on Charter Communications and their customers.
Charter Communications (Spectrum) recently reported "Charter Communications Hit by ShinyHunters Phishing Attack", a noteworthy cybersecurity incident.
Cybercriminal group ShinyHunters claimed responsibility for a phishing attack targeting a Charter Communications employee’s Microsoft Entra account, resulting in the theft of customer proprietary network information, email addresses, and phone numbers.
The disruption is felt across the environment, affecting Microsoft Entra account, and exposing Customer proprietary network information, email addresses, phone numbers.
Formal response steps have not been shared publicly yet.
Overall, the incident is a reminder of why proactive monitoring and strong governance matter.
Finally, we try to match the incident with the MITRE ATT&CK framework to see if there is any correlation between the incident and the MITRE ATT&CK framework.
The MITRE ATT&CK framework is a knowledge base of techniques and sub-techniques that are used to describe the tactics and procedures of cyber adversaries. It is a powerful tool for understanding the threat landscape and for developing effective defense strategies.
MITRE ATT&CK® Correlation Analysis
Rankiteo's analysis has identified several MITRE ATT&CK tactics and techniques associated with this incident, each with varying levels of confidence based on available evidence. Under the Initial Access tactic, the analysis identified Phishing (T1566) with high confidence (95%), supported by evidence indicating phishing attack targeting a Charter Communications employee’s Microsoft Entra account and Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (80%), supported by evidence indicating credential theft via Microsoft Entra account (likely via malicious link/email). Under the Credential Access tactic, the analysis identified Brute Force (T1110) with lower confidence (30%), supported by evidence indicating credential theft via Microsoft Entra account (phishing may imply credential harvesting) and Modify Authentication Process (T1556) with lower confidence (40%), supported by evidence indicating microsoft Entra account compromise (potential abuse of authentication mechanisms). Under the Collection tactic, the analysis identified Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating theft of customer proprietary network information, email addresses, and phone numbers. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating data exfiltration confirmed (ShinyHunters claimed responsibility) and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating microsoft Entra account compromise (potential cloud-based exfiltration). Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (20%), supported by evidence indicating no evidence of data destruction, but breach may imply disruption and Defacement (T1491) with lower confidence (10%), supported by evidence indicating no evidence of defacement, but brand reputation impacted. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Charter Communications Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/charter-communications/incident/CHA1780079551
- Charter Communications CyberSecurity Rating page: https://www.rankiteo.com/company/charter-communications
- Charter Communications Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/cha1780079551-charter-communications-cyber-attack-may-2026/
- Charter Communications CyberSecurity Score History: https://www.rankiteo.com/company/charter-communications/history
- Charter Communications CyberSecurity Incident Source: https://news.bloomberglaw.com/privacy-and-data-security/charter-communications-faces-class-suits-after-shinyhunters-hack
- Rankiteo A.I CyberSecurity Rating methodology: https://www.rankiteo.com/Images/rankiteo_algo.pdf
- Rankiteo TPRM Scoring methodology: https://static.rankiteo.com/model/rankiteo_tprm_methodology.pdf