Incident Score: Analysis & Impact (SIS1777847095)
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 Sistemi Informativi, an IBM Company'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 Sistemi Informativi, an IBM Company 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 Sistemi Informativi, an IBM Company breach identified under incident ID SIS1777847095.
The analysis begins with a detailed overview of Sistemi Informativi, an IBM Company's information like the linkedin page: https://www.linkedin.com/company/sistemi-informativi, the number of followers: 9915, the industry type: IT Services and IT Consulting and the number of employees: 910 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 738 with a difference of -17 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 Sistemi Informativi, an IBM Company and their customers.
Sistemi Informativi (IBM Italy subsidiary) recently reported "Chinese-Linked APT Group Salt Typhoon Suspected in IBM Italy Subsidiary Breach", a noteworthy cybersecurity incident.
In late April 2026, Italian cybersecurity authorities detected a significant breach at *Sistemi Informativi*, an IBM Italy subsidiary that manages IT infrastructure for critical public and private institutions.
The disruption is felt across the environment, affecting IT infrastructure of public and private institutions, and exposing Sensitive data, Critical infrastructure connections.
In response, teams activated the incident response plan, moved swiftly to contain the threat with measures like System restoration, Temporary website takedown, while recovery efforts such as Systems restored continue, and stakeholders are being briefed through Public confirmation of incident.
The case underscores how Ongoing, teams are taking away lessons such as Third-party IT providers are high-value targets for supply-chain attacks. A single compromise can grant access to multiple government and private-sector networks. Stronger defenses and enhanced coordination between governments, industry, and intelligence agencies are needed, and recommending next steps like Strengthen supply-chain security, enhance monitoring of critical infrastructure, improve coordination between public and private sectors, and invest in AI-driven cybersecurity defenses.
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 Supply Chain Compromise (T1195) with high confidence (90%), with evidence including supply-chain weaknesses, and iT provider serving critical institutions compromised and Exploit Public-Facing Application (T1190) with moderate to high confidence (80%), supported by evidence indicating vulnerabilities in widely used systems (e.g., Citrix, Cisco). Under the Execution tactic, the analysis identified Exploitation for Client Execution (T1203) with moderate to high confidence (70%), supported by evidence indicating zero-day exploits used to infiltrate networks. Under the Persistence tactic, the analysis identified External Remote Services (T1133) with moderate to high confidence (70%), supported by evidence indicating prolonged reconnaissance by APT group. Under the Privilege Escalation tactic, the analysis identified Exploitation for Privilege Escalation (T1068) with moderate confidence (60%), supported by evidence indicating zero-day exploits targeting critical infrastructure. Under the Defense Evasion tactic, the analysis identified Obfuscated Files or Information (T1027) with moderate to high confidence (70%), supported by evidence indicating aPT group known for technical precision and silent reconnaissance and Impair Defenses: Disable or Modify Tools (T1562.001) with moderate confidence (60%), supported by evidence indicating temporary website takedown during containment efforts. Under the Credential Access tactic, the analysis identified Brute Force (T1110) with moderate confidence (50%), supported by evidence indicating prolonged reconnaissance may involve credential harvesting. Under the Discovery tactic, the analysis identified Account Discovery (T1087) with moderate to high confidence (80%), supported by evidence indicating critical infrastructure mapping as motivation and File and Directory Discovery (T1083) with moderate to high confidence (70%), supported by evidence indicating silent reconnaissance and data exfiltration. Under the Collection tactic, the analysis identified Data from Local System (T1005) with high confidence (90%), supported by evidence indicating sensitive data, Critical infrastructure connections compromised. Under the Command and Control tactic, the analysis identified Application Layer Protocol (T1071) with moderate to high confidence (70%), supported by evidence indicating aPT group known for prolonged data exfiltration. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with high confidence (90%), with evidence including data exfiltration confirmed, and prolonged data exfiltration by APT group. Under the Impact tactic, the analysis identified Endpoint Denial of Service (T1499) with moderate confidence (60%), supported by evidence indicating temporary website takedown during containment efforts. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Sistemi Informativi, an IBM Company Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/sistemi-informativi/incident/SIS1777847095
- Sistemi Informativi, an IBM Company CyberSecurity Rating page: https://www.rankiteo.com/company/sistemi-informativi
- Sistemi Informativi, an IBM Company Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/sis1777847095-ibm-italy-sistemi-informativi-cyber-attack-april-2026/
- Sistemi Informativi, an IBM Company CyberSecurity Score History: https://www.rankiteo.com/company/sistemi-informativi/history
- Sistemi Informativi, an IBM Company CyberSecurity Incident Source: https://securityaffairs.com/191638/apt/salt-typhoon-breach-ibm-subsidiary-in-italy-a-warning-for-europes-digital-defenses.html
- 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