Incident Score: Analysis & Impact (MED1777911831)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of MediaWorks NZ's Ransomware 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 MediaWorks NZ 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 MediaWorks NZ breach identified under incident ID MED1777911831.
The analysis begins with a detailed overview of MediaWorks NZ's information like the linkedin page: https://www.linkedin.com/company/mediaworks-nz, the number of followers: 23224, the industry type: Broadcast Media Production and Distribution and the number of employees: 927 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 763 and after the incident was 649 with a difference of -114 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 MediaWorks NZ and their customers.
On 17 January 2025, Mediaworks disclosed Ransomware, Data Leak issues under the banner "Hungarian Media Giant Mediaworks Hit by 8.5TB Data Leak in Ransomware Attack".
A cyber-extortion group, World Leaks, has claimed responsibility for a ransomware attack on Hungarian media conglomerate Mediaworks, resulting in the online publication of nearly 8.5 terabytes of stolen data.
The disruption is felt across the environment, and exposing 8.5 terabytes.
In response, teams activated the incident response plan, and stakeholders are being briefed through Warned journalists against reporting on leaked material; threatened legal action.
The case underscores how Ongoing (internal investigation).
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 ransomware attack on Hungarian media conglomerate Mediaworks and Supply Chain Compromise (T1195) with lower confidence (30%), supported by evidence indicating supply_chain flag is false, but prior incidents noted. Under the Execution tactic, the analysis identified User Execution: Malicious File (T1204.002) with moderate confidence (60%), supported by evidence indicating ransomware attack resulting in data leak. Under the Credential Access tactic, the analysis identified OS Credential Dumping (T1003) with moderate to high confidence (70%), supported by evidence indicating payroll records, contracts, financial statements compromised. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating 8.5TB of stolen data including internal communications and Data from Information Repositories (T1213) with moderate to high confidence (80%), supported by evidence indicating payroll records, contracts, financial statements leaked. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating 8.5TB data leak published on dark web site and Exfiltration Over Web Service (T1567) with moderate to high confidence (70%), supported by evidence indicating leaked files posted on group’s dark web site. Under the Impact tactic, the analysis identified Data Encrypted for Impact (T1486) with moderate confidence (50%), supported by evidence indicating ransomware attack, though encryption details unclear and Defacement (T1491) with lower confidence (40%), supported by evidence indicating 2022 defacement attack by Anonymous noted. Under the Command and Control tactic, the analysis identified Application Layer Protocol (T1071) with moderate confidence (60%), supported by evidence indicating data exfiltration to dark web site implies C2. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- MediaWorks NZ Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/mediaworks-nz/incident/MED1777911831
- MediaWorks NZ CyberSecurity Rating page: https://www.rankiteo.com/company/mediaworks-nz
- MediaWorks NZ Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/med1777911831-mediaworks-ransomware-april-2026/
- MediaWorks NZ CyberSecurity Score History: https://www.rankiteo.com/company/mediaworks-nz/history
- MediaWorks NZ CyberSecurity Incident Source: https://therecord.media/ransomware-group-claims-breach-of-pro-orban-media-firm
- 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