BlackBerry names new chief security officer

BlackBerry Ltd named David Kleidermacher as its chief security officer on Tuesday, moving to further bolster the smartphone maker's credentials with security-conscious clients, including big players in the defence, automotive and healthcare sectors. Kleidermacher was previously chief technology officer at embedded software maker Green Hills Software, where he spent more than two decades. Green Hills' technologies power systems as diverse as medical devices and aircraft made by the like