When a security camera is installed and connected to the internet without a password or behind a misconfigured firewall, Google's "crawlers" can find the camera's login-less viewing page.
By searching for specific URL patterns—like viewerframe?mode=motion , which is the default path for certain legacy Panasonic IP camera interfaces—users can bypass the "front door" of a website and land directly on a live camera feed. The Thrill vs. The Threat inurl+viewerframe+mode+motion