Incident Score: Analysis & Impact (TEL1773347331)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of TELUS's Breach 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 TELUS 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 TELUS breach identified under incident ID TEL1773347331.
The analysis begins with a detailed overview of TELUS's information like the linkedin page: https://www.linkedin.com/company/telus, the number of followers: 408716, the industry type: Telecommunications and the number of employees: 37132 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 793 and after the incident was 740 with a difference of -53 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 TELUS and their customers.
Telus Corporation recently reported "Telus Cybersecurity Breach Investigation", a noteworthy cybersecurity incident.
Telus Corporation, one of Canada’s largest telecommunications providers, is actively investigating a hack of its systems.
Impact assessments are still underway, so the full scope is not yet clear.
Formal response steps have not been shared publicly yet.
The case underscores how Ongoing.
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 Exploit Public-Facing Application (T1190) with moderate confidence (50%), supported by evidence indicating hack of its systems...ongoing risks in safeguarding sensitive data and Trusted Relationship (T1199) with lower confidence (40%), supported by evidence indicating major corporations in safeguarding sensitive data (telecom critical infra). Under the Credential Access tactic, the analysis identified Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating breach disclosed amid growing concerns over cybersecurity threats. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (50%), supported by evidence indicating investigating a hack of its systems (implied data exposure risk). Under the Defense Evasion tactic, the analysis identified Disabling Security Tools (T1089) with lower confidence (40%), supported by evidence indicating details remain limited, investigation ongoing. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- TELUS Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/telus/incident/TEL1773347331
- TELUS CyberSecurity Rating page: https://www.rankiteo.com/company/telus
- TELUS Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/tel1773347331-telus-corporation-breach-january-2023/
- TELUS CyberSecurity Score History: https://www.rankiteo.com/company/telus/history
- TELUS CyberSecurity Incident Source: https://www.ctvnews.ca/sci-tech/article/telus-says-it-is-investigating-hack-of-its-systems/
- 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