The market for software to protect mobile devices such as smartphones <A HREF="http://www.eweek.com/c/a/Security/Mobile-Davice-Security-Market-Yet-to-Take-Off/?sp=0&kc=EWKNLSTR052908STR1">has yet to take off</A> despite brisk sales of devices such as Research in Motion's BlackBerry and Apple's iPhone.

For now, security on mobile devices is seen as an extra feature on programs designed to fight malicious software on personal computers and laptops, said Mike Haro, senior analyst with Sophos, the largest privately held security software maker.