CESG Claims Tested Mark - Comparisons

Comparisons

The CCT Mark is often compared to the international Common Criteria (CC), which is simultaneously both correct and incorrect:

  • Both provide methods for achieving a measure of assurance of computer security products and systems
  • Neither can provide a guarantee that approval means that no exploitable flaws exist, but rather reduce the likelihood of such flaw being present
  • The Common Criteria is constructured in a layered manner, with multiple Evaluation Assurance Level (EAL) specifications being available with increasing complexity, timescale and costs as the EAL number rises
  • Common Criteria is supported by a Mutual Recognition Agreement (MRA), which, at the lower EAL numbers at least, means that products tested in one country will normally be accepted in other markets
  • The CCT Mark is aimed at the same market as the lower CC EAL numbers (currently EAL1/2), and has been specifically designed for timescale and cost efficiency

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