Botnets: Trouble From A To Zbot

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What separates the Stuxnet worm from other previous viruses is its "search and destroy" capabilities, which are specifically created to target industrial facilities such as chemical manufacturing and power plants using Supervisory Control and Data Acquisition (SCADA) systems. Specifically, the Stuxnet worm possesses the ability to modify Programmable Logic Controllers, devices that control the machines at power plants and other industrial facilities.

Stuxnet made headlines by infecting computers at Iran's Bushehr nuclear power plant, indicated by traces of code on Siemens industrial software systems that control operations at the facility. The attack prompted the U.S. to launch a coordinated cyber attack simulation in an effort to test the nation's cyber defenses against an all out cyber war.

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