Progressive Authentication

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Full Definition or Meme

When the exact nature of the user request is unknown, it is best to authentication in the least obtrusive manner, which is typically not at the highest level they might need later in the interchange.

Context

Then general use case[1] is where trust elevation must occur during the

NSA Blacker

When mobile device became common it was early realized that the blacker solution was not feasible and progressive authentication was proposed[2]

Problems

Solutions

References

  1. Tom Jones Trust Elevation Use Case https://wiki.idesg.org/wiki/index.php?title=Trust_Elevation_Use_Case
  2. Oriana Riva +3 Progressive authentication: deciding when to authenticate on mobile phones Published in: Proceedings Security'12 Proceedings of the 21st USENIX conference on Security symposium Pages 15-15 Bellevue, WA — August 08 - 10, 2012