“Never underestimate the attention, risk, money and time that an opponent will put into reading traffic.”

Robert Morris, former Chief Scientist of the US National Security Agency (NSA), National Computer Security Center, "Crypto '95 invited talks by R. Morris and A. Shamir", 1995

“When will we be secure? Nobody knows for sure – but it cannot happen before commercial security products and services possess not only enough functionality to satisfy customers’ stated needs, but also sufficient assurance of quality, reliability, safety, and appropriateness for use. Such assurances are lacking in most of today’s commercial security products and services.”

Brian Snow, Former Technical Director of the US National Security Agency (NSA), "We need Assurance", 2005

"Many applications stay in use for much longer than anticipated, but during the extended lifetime they will be functioning in an environment for which they have not been designed, resulting in completely new vulnerabilities and risks."