How to protect your cell phone number from SIM swap attacks

image via TechCrunch

July 9, 2025, 12:00 PM

In 2025, phone numbers are critical for online access, but SIM swapping allows hackers to hijack them. This attack lets hackers access accounts, impersonate users, and potentially breach company networks. Major US carriers like AT&T, T-Mobile, and Verizon offer security features to prevent unauthorized account changes and SIM swaps. Users should check their accounts and enable these free protections to secure their phone numbers.

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