War dialing or wardialing is a method of automatically scanning telephone numbers using a modem, usually dialing every telephone number in a local area to find out where computers or fax machines are available, then attempting to access them by guessing passwords. ToneLoc was a popular wardialing computer program for MS-DOS written in the early to mid-1990s by two programmers known by the pseudonyms Minor Threat and Mucho Maas. The name ToneLoc was short for “Tone Locator†and was a word play on the name of the rap artist known as Tone LÅc. The utility was created for the purpose of scanning for dial tones or modem carriers in order…