Incident Score: Analysis & Impact (MINPOSTUR1776666864)
The details regarding individual company incidents & reports gives you full view from every side.
Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Turkcell Superonline's Cyber Attack 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 Turkcell Superonline 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 Turkcell Superonline breach identified under incident ID MINPOSTUR1776666864.
The analysis begins with a detailed overview of Turkcell Superonline's information like the linkedin page: https://www.linkedin.com/company/turkcell-superonline, the number of followers: 0, the industry type: Telecommunications and the number of employees: 1647 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 836 and after the incident was 826 with a difference of -10 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 Turkcell Superonline and their customers.
Albanian Parliament recently reported "Cyberattacks and Data Breaches in Western Balkans and Turkey (2026)", a noteworthy cybersecurity incident.
A series of cyberattacks and data breaches across the Western Balkans and Turkey in early 2026 exposed persistent security gaps in public and private sector infrastructure.
The disruption is felt across the environment, affecting government email domains and telecom customer databases, and exposing parliamentary emails, postal service data and personal details (names, addresses, national identifiers), with nearly 900000 records at risk.
Formal response steps have not been shared publicly yet.
The case underscores how teams are taking away lessons such as Systemic negligence and failure to implement basic security measures despite repeated breaches. Critical weaknesses in IT systems, databases, and communication networks leave citizens vulnerable to identity theft and financial fraud, and recommending next steps like Governments and companies must address long-standing security failures to protect sensitive data and restore public trust.
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 (60%), supported by evidence indicating exploitation of vulnerabilities in public/private sector infrastructure and Phishing: Spearphishing Link (T1566.002) with moderate to high confidence (70%), supported by evidence indicating gov.mk email domain compromise by Fancy Bear. Under the Execution tactic, the analysis identified User Execution: Malicious Link (T1204.001) with moderate confidence (60%), supported by evidence indicating email compromise as attack vector. Under the Credential Access tactic, the analysis identified Brute Force: Password Guessing (T1110.001) with moderate confidence (50%), supported by evidence indicating systemic security negligence, unpatched vulnerabilities and Unsecured Credentials: Credentials In Files (T1552.001) with moderate confidence (60%), supported by evidence indicating parliamentary emails and postal service data leaked. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating personal details, ID numbers, subscription data compromised and Email Collection: Remote Email Collection (T1114.002) with moderate to high confidence (70%), supported by evidence indicating gov.mk email domain compromise, parliamentary emails leaked. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), supported by evidence indicating data exfiltration confirmed, leaked on Telegram/dark web and Exfiltration Over Web Service: Exfiltration to Cloud Storage (T1567.002) with moderate to high confidence (70%), supported by evidence indicating data published on Telegram, dark web monitoring detected leaks. Under the Impact tactic, the analysis identified Data Destruction (T1485) with moderate to high confidence (70%), supported by evidence indicating homeland Justice aimed to delete servers and Defacement: Internal Defacement (T1491.001) with moderate confidence (50%), supported by evidence indicating disruption of postal services, government communications. Under the Defense Evasion tactic, the analysis identified Valid Accounts: Cloud Accounts (T1078.004) with moderate confidence (60%), supported by evidence indicating gov.mk email domain compromise via valid accounts and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (50%), supported by evidence indicating systemic security negligence, lack of basic measures. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Turkcell Superonline Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/turkcell-superonline/incident/MINPOSTUR1776666864
- Turkcell Superonline CyberSecurity Rating page: https://www.rankiteo.com/company/turkcell-superonline
- Turkcell Superonline Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/minpostur1776666864-albanian-post-turkcell-superonline-ministry-of-defence-cyber-attack-march-2026/
- Turkcell Superonline CyberSecurity Score History: https://www.rankiteo.com/company/turkcell-superonline/history
- Turkcell Superonline CyberSecurity Incident Source: https://balkaninsight.com/2026/04/20/data-privacy-threats-persist-across-balkans-and-turkey/bi/
- 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