New Delhi, Aug. 11 -- HCLTech has said it has found no evidence that its systems or client environments were breached after a hacker group allegedly claimed exposure of limited employee-related data. The clarification comes a day after rival IT major Tata Consultancy Services (TCS) disclosed that it had received threat-intelligence alerts about possible exposure of employee information.

In a filing dated 10 August, HCLTech said its initial investigation suggested that the data referred to in the claims could be limited in scope and several years old. The company added that there was no evidence of a breach of its systems or any engagement with its clients.

The company said it is continuing its investigation and will disclose any materia...