Someone Has My Phone Number — What Can They Do? How to Protect Yourself

2026-03-26 · scam.wiki · SPUNK13 LLC

Your phone number is more powerful than you think.

What They Can Do

• SIM swap attacks (steal your crypto, bank accounts)
• Phishing texts pretending to be your bank
• Sign you up for spam calls
• Social engineering against your contacts

How to Protect Yourself

• Enable SIM lock with your carrier
• Use 2FA apps (not SMS) for important accounts
• Monitor your accounts for unauthorized access
• Use a hardware wallet for crypto (can't be SIM-swapped)