Coinbase confirmed a customer data breach on its platform Thursday and claimed a group of rogue overseas support agents recruited by cyber criminals were responsible for the attack. In a video message posted on X, Coinbase CEO Brian Armstrong said cyber attackers wrote to the exchange, claiming they had obtained personal data of a portion of Coinbase users. In exchange for not leaking the data, the attackers allegedly demanded a ransom of $20 million (roughly Rs. 171 crore). The development comes just days after Coinbase became the first crypto firm to have secured a spot on the elite S&P 500 index. The exchange has refused to surrender to the demand of the attackers. No passwords, private keys, or funds were exposed in the breach, the exchange said. Coinbase Prime accounts, too, were unaffected by the attack. Cyber criminals “bribed and recruited” a group of rogue overseas support agents to steal Coinbase customer data, Coinbase said in a blog post published Thursday. “These insiders abused their access to customer support systems to steal the account data …