1. Researchers at Cado Security have identified a new malware named 'Cthulhu Stealer' targeting macOS users, disguising as legitimate software like CleanMyMac and Grand Theft Auto IV. 2. The malware, similar to Atomic Stealer, attempts to steal passwords, credentials, cryptocurrency wallets, and game account data. 3. Users are advised to download software only from the Apple App Store or official vendor websites to avoid potential malware threats.