Vincent
Created: January 31, 2025
Updated: February 2, 2025
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Read full blog postSIM swapping is a fraudulent attack where cybercriminals take over a user’s mobile phone number by transferring it to a new SIM card. This enables them to intercept SMS-based authentication codes (OTPs) and gain unauthorized access to user accounts.
🚨 Bypasses 2FA Security:
💰 Leads to Financial Fraud:
🔓 Weak Carrier Security:
🔄 Hard to Detect in Real-Time:
🔹 Avoid SMS-Based Authentication: Use a more secure method like passkeys or app-based authentication.
🔹 Enable Carrier PIN Protection: Set up a port-out PIN with your mobile provider.
🔹 Monitor for Unexpected Service Loss: A sudden loss of phone service could indicate a SIM swap attack.
Unlike SMS OTPs, passkeys use public-key cryptography, making them:
✅ Phishing-resistant
✅ Not tied to phone numbers
✅ Secure against SIM swap attacks
Businesses and users looking to enhance security and eliminate account takeovers should transition to passkeys as a more secure authentication solution.
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