Incident Score: Analysis & Impact (TAT1786447105)

In this Rankiteo incident briefing, we review the Tata Consultancy Services breach identified under incident ID TAT1786447105.

The analysis begins with a detailed overview of Tata Consultancy Services's information like the linkedin page: https://www.linkedin.com/company/tata-consultancy-services, the number of followers: 19173412, the industry type: IT Services and IT Consulting and the number of employees: 717299 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 819 and after the incident was 784 with a difference of -35 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 Tata Consultancy Services and their customers.

On 11 August 2026, Tata Consultancy Services (TCS) disclosed Data Exposure issues under the banner "TCS Reports Alleged Exposure of Employee Data".

Tata Consultancy Services (TCS) disclosed that it had received alerts regarding the potential exposure of employee-related data, which appears to be over four years old and limited to basic employee details.

The disruption is felt across the environment, and exposing Basic employee details.

In response, and stakeholders are being briefed through Public disclosure.

The case underscores how Ongoing, with advisories going out to stakeholders covering No customer data affected.

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.