Core Insights - Coinbase experienced a significant security breach in May, where hackers bribed employees to steal sensitive customer data and demanded a ransom of $20 million, with potential remediation costs estimated at $400 million [1][4]. Group 1: Security Breach Details - The breach involved bribing contractors or employees outside the US to access customer information [1][4]. - The incident is noted as one of the most high-profile security breaches in the crypto trading platform sector [1][4]. Group 2: Law Enforcement Actions - Coinbase's CEO, Brian Armstrong, announced the arrest of a former customer service agent in India, linked to the breach [2][5]. - The company is collaborating with law enforcement to address bad behavior and has seen recent legal actions, including charges against an individual accused of running an impersonation scheme targeting Coinbase customers [5]. Group 3: Market Impact - Following the news of the breach and subsequent arrests, Coinbase's shares fell approximately 1.2% to $236.79, with a year-to-date decline of around 4.6% [5].