Microsoft Security, Compliance, and Identity Fundamentals SC-900 Practice Question
A company must store user passwords in its database so that it can verify them during sign-in, but no one, including administrators, should be able to retrieve the original passwords. Which security technique best meets this requirement?
Symmetric encryption with an algorithm such as AES
Transport Layer Security (TLS) to encrypt the network connection
Asymmetric encryption with an algorithm such as RSA
Hashing uses a one-way mathematical function to convert input data into a fixed-length digest. Because the function is non-reversible, the original password cannot be reconstructed from the hash, yet the application can verify a user by hashing the provided password and comparing the digests. Symmetric and asymmetric encryption are reversible by design, so administrators with the appropriate keys could recover the plaintext. TLS protects data only while it is in transit and does not secure how the password is stored.
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Microsoft Security, Compliance, and Identity Fundamentals SC-900
Describe the concepts of security, compliance, and identity
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