Modern digital encryption algorithms are designed to be ______, preventing unauthorized third parties from deciphering sensitive data.

Answer and explanation

Correct answer: B. impenetrable

  1. Step 1: Analyze cybersecurity context: Algorithms prevent unauthorized parties from deciphering data.
  2. Step 2: The adjective meaning impossible to pass through, enter, or decode is 'impenetrable'.
Answer
impenetrable.
Why not the others: 'vulnerable' and 'porous' mean susceptible to attack or leakage; 'fallible' means capable of making mistakes.

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