The best hacks and security research from Black Hat and Def Con 2024

Researchers at Black Hat and Def Con disclosed multiple security issues and investigations: Ecovacs home robots can be Bluetooth-hijacked to remotely enable microphones/cameras; a researcher disclosed methods used to identify and dox a LockBit ransomware ringleader; a laser-based technique can capture keystrokes through a window; prompt-injection attacks against Microsoft Copilot can exfiltrate attacker-controlled secrets; and flaws in ransomware leak sites allowed recovery of decryption keys and saved several victims from paying ransoms.