A company uses 'Hashing' to store passwords. Why is this better than encryption?

Answer options:

Hashing is reversible.

Hashing uses a public key.

Hashing is one-way; the original password cannot be retrieved from the hash.

Hashing is slower.

How to approach this question

Hashing = One-way trip.

Full Answer

C.Hashing is one-way; the original password cannot be retrieved from the hash.✓ Correct

Hashing is a one-way mathematical function. If a hacker steals the database of hashed passwords, they cannot reverse the math to find the original passwords (unlike encryption, which can be decrypted with a key).

Common mistakes

Thinking Hashing is the same as Encryption.

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