ComputerWorld - Ten dangerous claims about smart phone security
Yahoo’s Ten Steps to Cell Phone Security
Don't Let Your Employees Become Security Nightmares – from Law.com’s Legal Technology (Must register to see)
Aventail - Secures corporate smart phones
Bluefire - Security solutions designed specifically for wireless devices and smartphones
Trust Digital - A leading provider of enterprise smartphone security
Credant - Controlling the security of all things mobile
Mobile Armor - Enterprise mobile security
Echowork - Solutions considering the ethical, legal, and fiduciary duties of lawyers
Also see our FYI: Playing it Safe With Encryption information resource, with information on e-mail, desktop and laptop computer system, and mobile storage encryption.