A logic bomb is a piece of code inserted into an operating system or software application that implements a malicious function after a certain time limit or specific conditions are met.. Logic bombs are often used with viruses, worms, and trojan horses to time them to do maximum damage before being noticed. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company. Includes Top... Read More », Have you heard about a computer certification program but can't figure out if it's right for you? Some logic bombs activated on a specific date, such as on Friday the 13th or April 1st. It can replicate itself without any human interaction and does not need to attach itself to a software program in order to cause damage. Description: It fits the description of a computer virus in many ways. In the past I've worked with Field Engineer, Marcom Arabia and Become.com. A time bomb is a piece of software that sits dormant for a period of time until some specific date and/or time causes its malicious payload to be implemented. Adaptive security technology is based on the patent US7584508 B1: ‘Adaptive security for information devices’. This page was last edited on 30 August 2020, at 16:54. In October 2009, Douglas Duchak was terminated from his job as data analyst at the Colorado Springs Operations Center (CSOC) of the U.S. An infected floppy disk or USB drive connected to a computer will transfer when the drive's VBR is read, then modify or replace the existing boot code. Analogous to the time bomb, the name derived from the type of “ignition.”. You consent to our cookies if you continue to use our website. As an example, trial programs with code that disables certain functionality after a set time are not normally regarded as logic bombs. This technique can be used by a virus or worm to gain momentum and spread before being noticed. Required fields are marked *. Trojans and other computer viruses that activate on certain dates are often called "time bombs". Is private browsing and VPN really secure? See more. A time bomb's timing mechanism may be professionally manufactured, either separately or as part of the device, or it may be improvised from an ordinary household timer such as a wind-up alarm clock, wrist watch, digital kitchen timer, or notebook computer. It's also possible for email attachments to contain boot virus code. Logic bombs, in general, are small pieces of source code that usually include in other applications sent to the victim. While boot sector viruses infect at a BIOS level, they use DOS commands to spread to other floppy disks. © 2020 AO Kaspersky Lab. [1]) A KGB operative was reported to have stolen the plans for a sophisticated control system and its software from a Canadian firm, for use on its Siberian pipeline. How could an algorithm spot trolls on the Internet? In just a few clicks, you can get a FREE trial of one of our products – so you can put our technologies through their paces. You can reach me at kamransharief@gmail.com, What is a Logic Bomb? One definition for a logic bomb is. Use this handy list to help you decide. Learn different types of networks, concepts, architecture and... Read More », Learn about each of the five generations of computers and major technology developments that have led to the computing devices that we use... Read More », Software-Defined Infrastructure Definition & Meaning, Software-Defined Storage (SDS) Definition & Meaning, network virtualization definition & meaning. Join to subscribe now. They perform actions like corrupting or altering data, reformatting a hard drive, … Boot sector computer viruses are most commonly spread using physical media. For example, it can also self-replicate itself and spread across networks. A logic bomb is a computerprogram part that certain after the occurrence ( logical ) conditions harmful action triggers. – Definition, Uses and More. All Rights Reserved. Removing a boot sector virus can be difficult because it may encrypt the boot sector. • Privacy Policy • Online Tracking Opt-Out Guide • Anti-Corruption Policy • License Agreement B2C • License Agreement B2B, AO Kaspersky Lab. Logic bombs, like computer viruses, worms, and Trojan horses, are malware and are often combined with them. Is your workplace tracking your computer activities? The infected code runs when the system is booted from an infected disk, but once loaded it will infect other floppy disks when accessed in the infected computer. 'Logic bomb' backfires on insider hacker. Such logic bombs also called “time bombs.”. Computer Worm: A computer worm is a malicious, self-replicating software program (popularly termed as 'malware') which affects the functions of software and hardware programs. Discover how our award-winning security helps protect what matters most to you. It is a piece of computer code that executes a malicious task, such as clearing a hard drive or … Another way to avoid logic bombs is by not accepting programs, applications. Adaptive security technology is based on the patent US7584508 B1: ‘Adaptive security for information devices’. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company.