In this video, I break down the real signs that someone is spying on your WhatsApp—starting with the most obvious one: linked devices you don’t recognize. I show you exactly where to check (WhatsApp > Linked devices) and why the WhatsApp Web QR code is one of the easiest ways for someone to hijack your sessions in seconds. If you see a weird device, location, or session you never opened, that’s not “a bug”—that’s someone reading your conversations. Then I go into the other two big warning signals people ignore: suspicious activity inside your chats (messages marked as read, archived, deleted, or your “last seen” changing when you didn’t even open WhatsApp), and your phone behaving strangely (battery drain, overheating, crashes, unusual data usage). I also explain what end-to-end encryption really protects (message content) and what it doesn’t (metadata), plus the huge mistake most people make with WhatsApp backups on Google Drive/iCloud if encrypted backups aren’t enabled. Finally, I give you the step-by-step settings to lock everything down: two-step verification, security notifications, biometric lock, privacy settings, updates, and the rules that stop 90% of attacks.