<p>It was February 2013 when Samsung announced Knox, its containerization technology for higher-end Samsung Android devices. Knox is meant to create a virtual partition on Android devices that would insulate corporate-managed apps and data from attack, an approach pioneered by smaller companies such as Divide but not generally used in mainstream companies.</p><p>Knox is Samsung's way to get past IT's legitimate concerns over Android's generally weak security and join Apple's iOS and BlackBerry in the golden circle of trustworthy mobile devices. iOS is a sandboxed operating system, so it's natively designed to prevent interapplication malware and data leaks; the BlackBerry 10 OS goes further, with an explicit containerization technology called Balance that the company's proprietary management server can enable.</p><p>[ Mobile security: iOS vs. Android vs. Samsung SAFE vs. BlackBerry vs. Windows Phone. | Keep up on key mobile developments and insights via Twitter and with the Mobilize newsletter. ]</p><p>Fast-forward nine months. Though Samsung regularly touts Knox, the U.S. Defense Dept. certified it for government use, several vendors tout their support of it, and there've been many stories in the technology press describing it as a here-and-now option, the truth is it doesn't fully exist. When it does finally become available later this fall, enterprises will discover an unpleasant fact: You have to pay to use it, on top of the subscription fees charged by your mobile device management vendor.</p><p><a href="http://www.infoworld.com/d/mobile-technology/the-truth-about-samsung-knox-android-security-229994?source=rss_infoworld_top_stories_">Keep reading...</a></p>