The state of Virginia has now started issuing special passports to proven victims of identity theft to prove they really are who they say they are.

BBC: The leaky net

The thought here is that some of these practices have not matured long enough, or cannot be proven solidly to work, but yet can prove to be of value and there must be captured and preserved as knowledge.

FORBES: Shifting The Imperative From Knowledge Management To Expertise Management

Any improved gains in resiliency, however, may be hard to measure or prove, especially against the metrics of a good enterprise security program that deploys proven technologies.

FORBES: Caution: Active Response to Cyber Attacks Has High Risk