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Logic Bombs and How They Are Used

Logic bombs are a malicious programming code that is inserted into a network system or a single computer for the purpose of deleting data or creating other malicious acts on a specified date. A logic bomb works similar to a time bomb because it can be set to go off at a specific date. A logic bomb does not distribute malicious codes until the specified date is reached.

How Logic Bombs Work

Logic bombs are created by criminals who are well-versed in computer programming and are generally use to performing acts with malicious intent that threaten network security. The criminal acts include setting a virus to be released into a network system or PC at a specified date or other actions such as deleting or corrupting data and completely reformatting a computer hard drive.

A logic bomb works through a code that is inserted into existing software on a network or in a computer where it will lie dormant until a specific event occurs such as a date or time or other command from the computer programmer. When the bomb finally releases the code it can delete files, send confidential information to unauthorized parties, wipe out databases, and disable a network for a period of days.

Why a Logic Bomb is Used

A logic bomb can be used by a disgruntled employee or other IT personnel that has the knowledge of how to program a logic bomb to threaten network security. Other than targeting a specific computer or network system, a logic bomb can also be used to demand money for software by creating a code that makes the software application into a trial version. After a specific period of time the user must pay a specified sum of money to continue to use the software.

Logic bombs can also be used for blackmail and if the demand is not met, the logic bomb will detonate into a computer system or network to destroy data and perform other malicious acts that are included in the command codes.

Logic bombs are fairly easy to create if you have a lot of knowledge in computer programming and they do not replicate like other malicious programs. For this reason, logic bombs are usually targeted to specific victims and will not spread to unintended victims.

How to Detect a Logic Bomb

A logic bomb can be rather difficult to detect, however you can take security measures such as constantly monitoring the network system for any suspicious activity, using antivirus applications and other scanning programs that can detect any new activity in the data on a network system. The scanning systems should also monitor the entire network and the individual computers connected to the network.

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