In many cases, the bogus emails ask for specific personal information or install spyware or other malware on your computer for the purpose of stealing your financial and personal information.

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Among 2, 500 firms surveyed last summer, 88% had antiviral software in place, yet an even larger percentage were infected by viruses, worms, Trojan horses or other "malware, " says Information Security magazine.

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Of 2, 500 companies surveyed last summer, 88% had antiviral software in place, yet an even larger percentage were infected by viruses, worms, Trojan horses or other "malware, " says Information Security magazine.

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This process will remove the risk of other unknown or undetected malware that may be present on your machine.

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Malware or other attack technologies along that path can easily modify contents.

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Apple is now vetting developers and allowing them to sign their apps with digital certificates indicating that they're not distributing malware or other dangerous programs.

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Both PCs were then set to visit a hundred randomly selected websites that were known to host malware such as the Blackhole exploit kit, as well as Flash, Java and PDF exploits, redirects or download link to malware, and other malicious content.

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Mr. Kamluk said the malware was most likely introduced by a USB stick or other removable drive.

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