Published articles
The following article by Krista Casady has been published in ZATZ magazines.

Protecting against the emerging threat of PDA viruses
Independent researchers at the University of Colorado have evaluated four of the leading anti-virus software programs for Palm devices and have issued their findings exclusively to PalmPower. In this very important article, they detail the factors increasing the vulnerability of PDAs to viruses, describe recent attacks on such devices, and discuss methods of delivery for viruses to a PDA. Finally, they will show you the best anti-virus solution available, based on their specific evaluation criteria. [PalmPower Magazine, May 2001]