"erase startup-config" isn't enough

For those who don&rsquo;t know, a lot of my hobbies revolve around networking equipment and related infrastructure. Every once in a while I buy used hardware from companies that specialize in IT asset liquidation.&#xA;From these purchases, I keep receiving gear formerly owned by large organizations, either entirely un-wiped or so sloppily wiped that all it takes to uncover sensitive information is…