Corporate information technology users are increasingly relying on personal data assistants (PDAs) to check e-mail, surf the Web, and a variety of other tasks. When you use PDAs for online tasks they become just as vulnerable as desktop systems to viruses, mobile code exploits, and a variety of other threats. What should organizations do to make keep their PDA users safe from the threats of the Internet?

With PDAs becoming ubiquitous, the same threats that affect desktop users are starting to affect PDAs. The biggest threats that PDA users need to be concerned typically fall into one of these six categories:

- Password theft
- Viruses and data corruption
- Data theft through line sniffing
- Theft of the PDA itself
- Mobile code vulnerabilities
- Wireless vulnerabilities

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