The first time I heard the phase continuous user authentication was just two weeks ago, from a keynote address Jim Routh, CSO for Aetna, gave in San Diego. Routh sees a day in the near future where benign behavioral attributes are consistently evaluated and compared to an established pattern. Everything the logged on user does is constantly re-evaluated, and if they do something leading to an elevated risk scenario, they might be re-authenticated, asked for additional proof of identity, or possibly denied.”]