Hunters International Leak Over 1.4 TB of Stolen Sensitive Information from Tata Technologies

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• Hunters International published over 1.4TB of the allegedly exfiltrated Tata Technologies data.
• The ransomware gang threatened to release the information if the payment was not made by March 10.
• The dataset reportedly includes employee details and internal documents and contracts.

Tata Technologies has suffered a significant data breach following a ransomware attack attributed to the Hunters International ransomware group. The gang has now leaked a portion of the stolen data, raising serious concerns over data security and enterprise-targeted cyber threats.

The leaked dataset, published on a dark web leak site, reportedly includes over 730,000 documents amounting to 1.4 terabytes of data. This includes sensitive material such as:

• Personal details of current and former employees,
• Internal documents, including purchase orders,
• Contracts with clients in India and the United States.

The leak document type included Excel spreadsheets, PowerPoint presentations, and PDF files.

The breach follows Tata Technologies' disclosure of a ransomware attack in late January 2025, which affected parts of their IT infrastructure but did not, at the time, reportedly disrupt client services. 

It remains unclear whether this new data leak is directly tied to the earlier attack. Tata Technologies has not provided additional comments on the situation.

Hunters International, the group behind this incident, is a relatively new ransomware-as-a-service (RaaS) operation that first surfaced in late 2023 as a possible rebrand of the Hive ransomware group. 

A similar pattern was observed in a previous attack on Tata Power, another Tata Group company targeted by the Hive ransomware group back in 2022.

Tata Technologies, established as an independent company in 1994, operates under the Tata Group conglomerate and specializes in providing product engineering, research, and development services to industries such as automotive, aerospace, and manufacturing.

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