As with Windows XP on the desktop, KitKat is the aging version of Android that just won't go away. An analysis of around one million enterprise and business users in the US by security firm Duo Security has found that a staggering third of Google devices from its customer base of several thousand are still running versions 4.0 or below, which means they haven't been updated for several years.
Another 14 percent were stuck on Android 4.4.2, nine percent on 4.4.4, which means that over half are using images that date back to the three years before October 2014 when Android 5.0 Lollipop made its appearance.
Often-voiced worries about Android's fragmentation have tended to centre on its effect on consumers but these figures offer a glimpse into the potentially more serious issue of what out-of-date mobile software could silently be doing to enterprise security.
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