Cryptography is not exactly my thing. But I really enjoyed this article. Basically, the NSA spent the last 20 years pushing for the adoption of a set of cryptographic standards called Suite B "the first public cryptography standard to include non-classified algorithms certified for encrypting Secret and Top Secret data."
Then, all of a sudden, in August the agency freaked out, and "updated the Suite B website to announce a rapid transition away from Suite B, and to a new set of quantum quantum-resistant algorithms in the coming years."
However, experts agree that there has not been any major breakthrough in quantum computing, and hence the official justification is not believable. So why such a sudden transition away from a standard that they pushed so hard for? Is it possible that this standard had some weaknesses--by design--that now are known not only to the NSA but also to someone else?