Precautionary Lockdown for a Suspected SIM Swap

    If you can't be sure, rotate as if it happened — the cost is low and the risk is high.

    JDCS
    By Jordan Dickson · Reviewed by CSG Security Engineers

    Updated June 2026 · 1 min read

    If you can't be sure, rotate as if it happened — the cost is low and the risk is high.

    What to do

      • Add a port-out PIN on the carrier account today
      • Reset email and bank passwords from a clean device
      • Move important accounts off SMS 2FA to an authenticator app
      • Dispute any banking transactions you don't recognise

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    JD

    Written by

    Jordan Dickson

    Founder, CyberSecurityGuides

    Founder of CyberSecurityGuides, writing practical, jargon-free guides that help everyday people recover from and protect against online attacks.

    Reviewed by CSG Security Engineers

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