Incident Score: Analysis & Impact (SER1780648898)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Services Australia'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 Services Australia 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 Services Australia breach identified under incident ID SER1780648898.
The analysis begins with a detailed overview of Services Australia's information like the linkedin page: https://www.linkedin.com/company/services-australia, the number of followers: 111881, the industry type: Government Administration and the number of employees: 7772 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 711 and after the incident was 638 with a difference of -73 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 Services Australia and their customers.
Centrelink (Services Australia) recently reported "Centrelink Data Allegedly Leaked on Cybercrime Forum", a noteworthy cybersecurity incident.
A threat actor known as *2019* listed sensitive Centrelink data for sale on a cybercrime forum.
The disruption is felt across the environment, and exposing Personal details of over 2,100 deceased individuals, with nearly 2,100 records at risk.
In response, and began remediation that includes Additional security measures for affected individuals, and stakeholders are being briefed through Public statement denying breach but acknowledging monitoring of dark web activity.
The case underscores how Ongoing, with advisories going out to stakeholders covering Services Australia is working with authorities to assess risks and implement additional security measures for affected individuals.
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 Trusted Relationship (T1199) with moderate to high confidence (80%), supported by evidence indicating data may have been exposed through a third-party compromise and Valid Accounts (T1078) with moderate confidence (60%), supported by evidence indicating centrelink’s *Advice of Death* form data accessed. Under the Credential Access tactic, the analysis identified Unsecured Credentials: Credentials In Files (T1552.001) with moderate to high confidence (70%), supported by evidence indicating highly personal details...compromised, including Medicare/Centrelink reference numbers. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating leaked records appear to originate from Centrelink’s *Advice of Death* form and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating data includes next-of-kin details, signatures, and executor information. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (80%), supported by evidence indicating threat actor *2019* listed sensitive Centrelink data for sale on a cybercrime forum and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating data offered for one-time sale on a cybercrime forum. Under the Impact tactic, the analysis identified Data Manipulation: Stored Data Manipulation (T1565.001) with moderate confidence (50%), supported by evidence indicating high risk for next-of-kin and affected individuals (identity theft risk). These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Services Australia Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/services-australia/incident/SER1780648898
- Services Australia CyberSecurity Rating page: https://www.rankiteo.com/company/services-australia
- Services Australia Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/ser1780648898-centrelink-breach-january-2026/
- Services Australia CyberSecurity Score History: https://www.rankiteo.com/company/services-australia/history
- Services Australia CyberSecurity Incident Source: https://www.cyberdaily.au/security/13709-exclusive-centrelink-denies-hacker-claims-of-cyber-attack
- 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