Overview

• Reports explain that anyone who scans your QR code to link WhatsApp Web or Multi‑Device can read chats remotely without obvious signs.
• Phishing and social‑engineering attacks that trick users into sharing verification codes can enable full account takeovers.
• Spy apps and other malware installed from insecure or unofficial sources can capture messages, often showing clues like heavy data use, fast battery drain or sudden spam activity.
• Users can detect unauthorized access by opening WhatsApp, navigating to Linked Devices and removing any unknown computers or phones.
• Recommended defenses include enabling two‑factor authentication, installing app and OS updates, using reputable mobile security tools, locking the phone and avoiding links from unknown contacts.