What is a SIM Swap Scam?

Today's video outlines how a SIM swap scam works, warning signs that you may be a victim of a SIM swap attack, and some tips to prevent such an attack. We have two sources today, the FTC and the Avast Academy website, both of which are linked below.
FTC: https://consumer.ftc.gov/consumer-ale...
Avast Academy: https://www.avast.com/c-sim-swap-scam