Incident Score: Analysis & Impact (NSW1776926314)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of NSW Government'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 NSW Government 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 NSW Government breach identified under incident ID NSW1776926314.
The analysis begins with a detailed overview of NSW Government's information like the linkedin page: https://www.linkedin.com/company/nswgovernment, the number of followers: 47323, the industry type: Government Administration and the number of employees: 1951 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 768 and after the incident was 697 with a difference of -71 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 NSW Government and their customers.
NSW Treasury recently reported "NSW Government Treasury Data Breach", a noteworthy cybersecurity incident.
The NSW Government confirmed a significant cyber incident following an alleged data breach involving a staff member from NSW Treasury.
The disruption is felt across the environment, and exposing Confidential documents containing commercial and financial details.
In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like Data recovered and secured.
The case underscores how Active (Strike Force Civic).
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: Spearphishing Attachment (T1566.001) with lower confidence (30%), supported by evidence indicating alleged data breach involving a staff member from NSW Treasury and Valid Accounts (T1078) with high confidence (90%), with evidence including alleged data breach involving a staff member, and no external compromise of the agency’s systems occurred. Under the Credential Access tactic, the analysis identified Valid Accounts (T1078) with high confidence (90%), with evidence including alleged data breach involving a staff member, and staff member from NSW Treasury. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating large volume of confidential documents containing commercial and financial details and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating compromised files span multiple NSW Government departments and projects. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate to high confidence (70%), supported by evidence indicating unauthorized transfer of a large volume of confidential documents to an external server and Transfer Data to Cloud Account (T1537) with moderate confidence (60%), supported by evidence indicating unauthorized transfer...to an external server. Under the Defense Evasion tactic, the analysis identified Valid Accounts (T1078) with moderate to high confidence (80%), supported by evidence indicating no external compromise of the agency’s systems occurred and Hide Artifacts: Hidden Files and Directories (T1564.001) with lower confidence (40%), supported by evidence indicating internal security monitoring detected the unauthorized transfer. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (20%), supported by evidence indicating all allegedly stolen data has been recovered, secured. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- NSW Government Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/nswgovernment/incident/NSW1776926314
- NSW Government CyberSecurity Rating page: https://www.rankiteo.com/company/nswgovernment
- NSW Government Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/nsw1776926314-nsw-government-nsw-treasury-breach-april-2026/
- NSW Government CyberSecurity Score History: https://www.rankiteo.com/company/nswgovernment/history
- NSW Government CyberSecurity Incident Source: https://australiancybersecuritymagazine.com.au/nsw-government-declares-significant-cyber-incident-after-alleged-treasury-data-breach/
- 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