New Delhi, June 13 -- HDFC Asset Management Company has told investors to reset their passwords immediately, stay alert to SIM-swap attempts, and avoid clicking unknown links after a cybersecurity breach compromised parts of its IT systems. The fund house manages approximately Rs.7.6 lakh crore in assets, making it India's second-largest AMC by AUM.

Mutual fund units and portfolio values remain unaffected, the company has confirmed, but investor identity and financial data may have been exposed.

The incident originated on 16 May 2026, when the company received a communication from an anonymous source claiming access to portions of its IT infrastructure. HDFC AMC activated its internal containment and incident response protocols and enga...