So the New York Times revealed that the U.S. Government’s NSA program actually has computers actively cracking online encryption now. And from the sound of it, they’ve pretty much got it down… all the more reason to encrypt your emails! So far, the GPG Encryption standard has never been cracked!
http://www.nytimes.com/2013/09/06/us/nsa-foils-much-internet-encryption.html?pagewanted=all&_r=0