As someone ignorant on this subject could anyone elaborate? Or at least correct my current assumption.

My understanding is that the hebrews of the bible and the modern day jews are not not one on one equal but the hebrews divided in to multiple tribes and certain tribes like the khazarians are the troublemaking jews we know today and their identity is not strictly based on bloodline but more on their satanic cult which is why there's many whity jews and jews posing as whites.