New Delhi, June 1 -- American cryptocurrency exchange Coinbase disclosed a major data breach on May 15 that cost the company up to $400 million, affected more than 69,000 customers. Known to be its biggest security failure to date, this incident occurred after hackers bribed customer service workers in India to leak sensitive data, according to a report by Fortune.

The report revealed that a loose network of young English-speaking hackers was partially responsible for the scam. Additionally, business process outsourcing units (BPOs) also played a role as a weak link in its security operations.

The employees of a US-based customer support company, TaskUs, handling support for Coinbase since 2017, were targeted by hackers. With a signific...