What Is SIM Swapping - And How to Stop It From Happening to You

That moment your phone suddenly goes dark — no signal, no texts, no calls — could be more than a network issue. SIM swap scams are a growing form of identity theft where criminals impersonate you to your mobile carrier, hijack your phone number, and use it to bypass SMS-based security on your bank, email, and social accounts.

In this video, we break down exactly how SIM swapping works, why it's so hard to detect in real time, and the simple steps you can take right now to protect yourself — including switching to an authenticator app, setting a carrier PIN, and enabling account locks or port freezes.

Avast One helps block the phishing links, fake websites, and malicious downloads that attackers use to gather your personal data before a SIM swap even begins.

Stay safer. Stay in control. Download Avast One free today.

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