While some viruses did exist for Palm OS based devices, very few were ever designed. Typically, mobile devices are difficult for virus writers to target, since their simplicity provides fewer security holes to target compared to a desktop.
^Distributed as a Trojan in the guise of a crack for shareware program Liberty by Liberty's author Aaron Ardiri. For more information, see "Trojan hits Palm". Philippine Daily Inquirer. Archived from the original on December 21, 2001. Retrieved April 28, 2017.
^Virus that infects handheld devices that run Palm OS. It was discovered on September 22, 2000. For more information, see [1]