3.3.9 Accessible Authentication (Enhanced) Level AAA

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Conformance Levels


A cognitive function test (such as remembering a password or solving a puzzle) is not required for any step in an authentication process unless that step provides at least one of the following:

  • Alternative – Another authentication method that does not rely on a cognitive function test.
  • Mechanism – A mechanism is available to assist the user in completing the cognitive function test.

[View on W3C.org]

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