If you have spent any time with Google dorks (advanced search operators), you have likely come across a particularly infamous string: inurl:axis-cgi/mjpg/motion.jpg .
They weren't "hacked" in the Hollywood sense. No passwords were cracked. No firewalls were breached. The cameras were simply left on a digital front porch, and the search engine was the mailman pointing them out. inurl axis cgi mjpg motion jpeg
: Searches for the specific directory where the camera's control scripts are stored. If you have spent any time with Google