Destructive power of mobile viruses could rise fast.

"F-Secure, another antivirus software vendor, says the current total count of known mobile malware stands at 87, up from less than 10 early last year. A total of 82 of those viruses were written to run on the Symbian series 60 operating system... The Symbian OS led the global smart phone market with a 62.8 percent share at of the end of the second quarter, followed by Microsoft at 15.9 percent and PalmSource with 9.5 percent, according to industry researcher Canalys.com."