US Senator Ron Wyden asked the new NSA boss - General Mike Rogers - at a Senate Intelligence Committee hearing today: As a general matter, is it correct that anytime there are copies of an encryption key — and they exist in multiple places — that also creates more opportunities for malicious actors or foreign hackers to get access to the keys?” NSA chief Rogers replied: [It] depends on the circumstances, but if you want to paint it very broadly like that for a yes and no, then I would probably say yes. Here's the exchange. Background here. More.