… Web Bug & Logic Bombs

COMPUTER

VIRUS

INFORMATION

WEB BUG … A Web bug is a graphic on a Web page or in an e-mail message designed to monitor who is reading the page or message. Web bugs are often invisible because they are typically only 1-by-1 pixels in size. In many cases, Web bugs are placed on Web pages by third parties interested in collecting data about visitors to those pages.

 

Web bugs can be used to provide an independent accounting of how many people have visited a particular Web site. Web bugs are also used to gather statistics about Web browser use at different sites on the Internet.

 

In addition, advertising networks can use Web bugs to collect information on what sites a person is visiting to create a personal profile. The personal profile is stored in a database server belonging to the ad network and identified by the browser cookie of the network. The profile determines what banner ad one is shown at a later time.

 

For more info on Web Bugs: http://www.bugnosis.org/faq.html

LOGIC BOMB … A Logic Bomb is a resident computer program that triggers the perpetration of an unauthorized act when particular states of the system are realized. a This may be a section of code, pre-programmed into a larger program, which waits for some trigger event to perform some damaging function. A virus may contain a logic bomb as a payload. Logic bombs which trigger on time events are sometimes known as time bombs, although this usage is not favored.