Legitimate applications include:

Ever wondered how much of the world is actually "private"? In the realm of cybersecurity, there is a technique called (or Google Hacking) that uses advanced search operators to find information that wasn't meant to be public. One of the most famous—and arguably most unsettling—dorks is: inurl:multi.html intitle:webcam

Never leave the username and password as "admin" or "1234." This is the #1 way hackers gain entry.