Reply to post: Re: Disable SIM swapping by default

5G SIM-swap attacks could be even worse for industrial IoT than now

JetSetJim Silver badge

Re: Disable SIM swapping by default

> Wouldn't the simplest solution be to have the option to disable Porting Authorisation Code (PAC) being provided for that account.

Quite, but that would probably require a change to *all* telco infrastructure s/w that's involved in number porting - which isn't simple/cheap, even if on the face of it all that is required is a bit-flag against an IMSI in a database plus a test that looks at this flag on PAC requests

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