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📱 SIM Swapping Attack: When Hackers Steal Your Phone Number
A SIM Swapping Attack is a sneaky trick where hackers hijack your phone number — and with it, your bank accounts, social media, and two-factor codes. It’s fast, silent, and often devastating.
🧠 What Is SIM Swapping?
SIM swapping (also called SIM hijacking) is when an attacker tricks your mobile provider into transferring your number to their SIM card. Once they control your number, they can receive your calls, texts, and 2FA codes.
🎯 How It Works
Hacker collects personal info through phishing or data leaks
They call your carrier pretending to be you
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They convince the carrier to activate a new SIM
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Your phone loses signal — theirs starts receiving your messages
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They reset passwords and take over your accounts
⚠️ What Can Be Hijacked?
- 💰 Bank and crypto accounts
- 📩 Email and social media
- 🔑 Two-factor authentication (2FA)
- 🔐 Any account linked to your phone number
🛡️ How to Protect Yourself
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🔐 Don’t use SMS-based 2FA — use apps like Authy or Google Authenticator
📞 Add a PIN or password to your mobile account
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🧠 Never share personal info with unknown callers or messages
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🧰 Use multi-layered security (email + 2FA + biometrics)
✅ Final Thoughts
You might not think your phone number is valuable — until someone uses it to steal your entire digital life.
Lock down your number before someone else does.