Viruses, Trojan Horses, and Malware

Ask consumers about virus protection for their computers and most will know that they should be running some form of virus protection. Even if they aren't running a virus checker, they know about antivirus products from Symantec or McAfee. But ask PDA users about virus protection for their handheld devices and most will not even know of the existence of handheld-based viruses, let alone what software is available for them.

Malware is programs or files developed for the purpose of doing harm. They can include computer viruses, worms, and Trojan horses that can attack computers and PDAs. Currently, the main Palm viruses are Liberties A and B and Phage (discussed in the next sections)—and the likelihood of hackers ...

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