Dos Attacks - Denial Of Service Attacks

DOS attack is a term which stands for denial of service attack. Denial of service is a type of computer attack instigated most often by hackers or terrorists who wish to shut down or disrupt Internet services. Denial of service attacks are perpetrated many ways, but the three most common are bandwidth consumption, resource consumption, and network connectivity.

Bandwidth Consumption DOS Attacks

Bandwidth consumption DOS attacks used to be done by groups of hackers who flood the targeted website with useless data packets which stops legitimate users from accessing the unfortunate website. This method is called a flood DOS attack. A flood DOS attack used to require a significant degree of coordination and communication between hackers. In 1999 a new type of flood DOS attack was instigated called a zombie flood DOS attack. A zombie flood DOS attack is when a single person infects several even hundreds of unsuspecting computers and controls them remotely to attack a single target. The unsuspecting computers act as zombies unknowingly attacking the perpetratorLinks:
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