Incident Score: Analysis & Impact (TEL1773678226)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of TELUS Digital'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 Digital 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 Digital breach identified under incident ID TEL1773678226.
The analysis begins with a detailed overview of TELUS Digital's information like the linkedin page: https://www.linkedin.com/company/telus-digital, the number of followers: 999992, the industry type: IT Services and IT Consulting and the number of employees: 39811 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 755 and after the incident was 694 with a difference of -61 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 Digital and their customers.
Telus Digital recently reported "ShinyHunters Claims Massive Breach of Telus Digital, Exposing Customer Data", a noteworthy cybersecurity incident.
Hackers breached Telus Digital, a Canadian process-outsourcing subsidiary of Telus Corporation, potentially accessing sensitive data from major clients in telecommunications, financial services, healthcare, and media.
The disruption is felt across the environment, affecting Telus Digital (process-outsourcing subsidiary), and exposing 1 petabyte of data.
In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Additional security measures implemented, and stakeholders are being briefed through Notification to affected customers planned.
The case underscores how Ongoing, with advisories going out to stakeholders covering Notification to affected customers planned.
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 Valid Accounts: Cloud Accounts (T1078.004) with high confidence (90%), supported by evidence indicating gained access using Google Cloud Platform credentials stolen from a 2025 Salesloft breach. Under the Credential Access tactic, the analysis identified Steal Application Access Token (T1528) with moderate to high confidence (80%), supported by evidence indicating google Cloud Platform credentials stolen from a 2025 Salesloft breach and Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating compromised credentials from prior breach (Salesloft 2025). Under the Persistence tactic, the analysis identified Valid Accounts: Cloud Accounts (T1078.004) with moderate to high confidence (80%), supported by evidence indicating google Cloud Platform credentials used for access. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 1 petabyte of data, including PII, call-center recordings, FBI background checks and Data from Code Repositories (T1213.003) with moderate to high confidence (80%), supported by evidence indicating source code from multiple business lines included in stolen data. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating shinyHunters claimed theft of 1 petabyte of data and Transfer Data to Cloud Account (T1537) with moderate to high confidence (70%), supported by evidence indicating data exfiltrated via compromised Google Cloud Platform credentials. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating no details on data integrity post-breach and Data Manipulation: Transmitted Data Manipulation (T1565.002) with lower confidence (40%), supported by evidence indicating call-center recordings and PII exposed. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- TELUS Digital Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/telus-digital/incident/TEL1773678226
- TELUS Digital CyberSecurity Rating page: https://www.rankiteo.com/company/telus-digital
- TELUS Digital Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/tel1773678226-telus-corporation-telus-digital-breach-january-2025/
- TELUS Digital CyberSecurity Score History: https://www.rankiteo.com/company/telus-digital/history
- TELUS Digital CyberSecurity Incident Source: https://www.cybersecuritydive.com/news/telus-digital-cyberattack-shinyhunters/814817/
- 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