An internal AI tool let attackers walk between teams in the Binance breach by Lucie Cardiet

In October 2026 Binance suffered a major security incident in which attackers moved billions of dollars from hot wallets, attributed to the North Korean-linked TraderTraitor group; the operation relied on social engineering, a compromised developer machine, stolen credentials, and an internal AI tool to traverse team boundaries, revealing cross-boundary monitoring gaps and resulting in substantial fund losses with partial freeze of assets by early November.