Google and Microsoft have agreed to include kill switches in all new Android and Windows phones at the behest of New York Attorney General Eric Schneiderman, a measure aimed at combating theft but one which will also raise alarm bells for privacy-oriented libertarians.

"Google, based in Mountain View, California, said in a statement today it will add a "factory reset protection solution" to its next version of Android," reports Bloomberg. "Microsoft's Vice President for U.S. Government Affairs Fred Humphries said the Redmond, Washington-based company will offer new theft-deterrence mechanisms in an update for phones running its software, including those made by Nokia Oyj."

New Apple iPhones have had the kill switch installed since September last year, a factor NY Attorney General Eric Schneiderman has hailed as instrumental in lowering thefts.