Cryptocurrency exchange Bitget was hacked resulting in the theft of $387.5 million. The breach was disclosed by Bitget and attributed to a zero-day vulnerability in third-party security products used by the exchange. Attackers exploited this previously unknown flaw to gain access to Bitget's systems. The incident highlights the risks posed by supply chain and third-party software dependencies in financial and crypto platforms. The scale of the theft makes this one of the larger cryptocurrency exchange hacks on record. The identity of the third-party security products involved was not fully disclosed in the article. The breach occurred approximately one week before the public disclosure. No specific CVEs were mentioned in the article summary.