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New 'Indestructible' TDL Botnet Infects 4.5M PCs

Around 4.5 million computers have been caught in a botnet that some experts are calling as good as indestructible. Others, however, say that's an exaggeration. The botnet in question is named the TDL-4. In many senses, it's like any other botnet: ... once a computer becomes infected with malicious software, it is now controlled by remote and used for nefarious purposes. Many times the zombie PCs in a botnet (also known as a " botnet army ") are used to send bogus page requests to websites in an attempt to knock them offline --; referred to as a " denial of service attack ", or ... (view more)

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