Some devices ship with it turned on by default, this was prominent a year ago, it's horrendous and still very real. https://www.bleepingcomputer.com/news/secur

Some devices ship with it turned on by default, this was prominent a year ago, it's horrendous and still very real. https://www.bleepingcomputer.com/news/security/tens-of-thousands-of-android-devices-are-exposing-their-debug-port/ https://www.bleepingcomputer.com/news/security/tens-of-thous...