Incident Score: Analysis & Impact (INFESO1773692833)
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Rankiteo Score Impact Analysis
Key Highlights From The Incident Analysis
- Timeline of Infosys'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 Infosys 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 Infosys breach identified under incident ID INFESO1773692833.
The analysis begins with a detailed overview of Infosys's information like the linkedin page: https://www.linkedin.com/company/infosys, the number of followers: 10781830, the industry type: IT Services and IT Consulting and the number of employees: 363614 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 674 and after the incident was 629 with a difference of -45 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 Infosys and their customers.
On 12 March 2026, Infosys Ltd. disclosed Data Breach issues under the banner "Infosys Data Breach Exposes Sensitive Employee Data via Third-Party Vendor".
A data breach at Infosys Ltd., a global IT services and consulting giant, has exposed sensitive personal and financial information of employees through a third-party vendor.
The disruption is felt across the environment, and exposing Sensitive personal and financial information of employees, with nearly At least 17 (total unspecified) records at risk.
In response, and stakeholders are being briefed through Disclosed to Massachusetts Attorney General’s office.
The case underscores how Ongoing, teams are taking away lessons such as Highlights risks associated with third-party vendors handling sensitive employee data, particularly in global enterprises.
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 data breach...via third-party vendor, and traced to ESOP Direct, the administrator of Infosys’ employee share scheme and Compromise Software Supply Chain (T1195.002) with moderate to high confidence (80%), with evidence including third-party vendor handling sensitive employee data, and eSOP Direct compromise. Under the Credential Access tactic, the analysis identified Unsecured Credentials (T1552) with moderate to high confidence (70%), with evidence including bank account details, government IDs exposed, and third-party vendor compromise. Under the Collection tactic, the analysis identified Data from Local System (T1005) with moderate to high confidence (80%), supported by evidence indicating names, addresses, phone numbers, transaction receipts compromised and Data from Information Repositories (T1213) with moderate to high confidence (70%), supported by evidence indicating employee share scheme data exposed via ESOP Direct. Under the Exfiltration tactic, the analysis identified Exfiltration Over C2 Channel (T1041) with moderate confidence (60%), supported by evidence indicating data breach impacting at least 17 Massachusetts residents and Transfer Data to Cloud Account (T1537) with moderate confidence (50%), supported by evidence indicating third-party vendor handling sensitive data. Under the Impact tactic, the analysis identified Data Destruction (T1485) with lower confidence (30%), supported by evidence indicating high identity theft risk noted and Data Manipulation: Transmitted Data Manipulation (T1565.002) with lower confidence (40%), supported by evidence indicating payment amounts, bank details exposed. These correlations help security teams understand the attack chain and develop appropriate defensive measures based on the observed tactics and techniques.
Sources & References
- Infosys Rankiteo Cyber Incident Details: https://www.rankiteo.com/company/infosys/incident/INFESO1773692833
- Infosys CyberSecurity Rating page: https://www.rankiteo.com/company/infosys
- Infosys Rankiteo Cyber Incident Blog Article: https://blog.rankiteo.com/infeso1773692833-infosys-ltd-esop-direct-breach-october-2025/
- Infosys CyberSecurity Score History: https://www.rankiteo.com/company/infosys/history
- Infosys CyberSecurity Incident Source: https://www.claimdepot.com/investigations/infosys-data-breach-2026
- 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