Researchers bypassed ChatGPT's security policy and took over accounts by sending a link to a malicious conversation, which executed as the victim's authenticated web session. The payload could enumerate conversations, retrieve private content, and send data to an external server. OpenAI fixed the issue on October 26 and classified it as a Priority 1 (P1) vulnerability.

Binance, the world's largest cryptocurrency exchange, has paused withdrawals as a precautionary measure due to a security incident. Hackers are suspected of stealing billions of dollars in cryptocurrency. Binance's founder, Changpeng Zhao, has stated that users' funds will be fully covered, but did not provide an explanation. Financial institutions such as Circle and Tether have frozen related assets, with Circle freezing $800 million and Tether freezing $1.56 billion. The estimated amount stolen is around $2 billion to $5.7 billion, depending on the source. The incident is ongoing and under investigation.