The failure of the four main US carriers – AT&T, Verizon, Sprint and T-Mobile – to issue updates and patches to the Android handsets they sell are leaving users vulnerable to hacking attacks, says theĀ American Civil Liberties Union (via ars technica).

Civil liberties advocates have asked the US Federal Trade Commission to take action against the nation’s four major wireless carriers for selling millions of Android smartphones that never, or only rarely, receive updates to patch dangerous security vulnerabilities … expand full story