I take it that VeriFone has never heard of a magnetic card reader that plugs into a keyboard port? This is a very shaky "security hole", if you ask me. When y

I take it that VeriFone has never heard of a magnetic card reader that plugs into a keyboard port? This is a very shaky "security hole", if you ask me. When you hand over your card to someone, there is always a risk for them skimming the number. However, they kind of have to know the number in order to get paid... so how is this a security risk that is exclusive to Square again?