When investigators take a statement from witnesses as part of the evidence-gathering process, they have the witness put a digital signature on a digital copy of the statement. Which of the following refers to ensuring that the signer cannot later deny what was signed?

(A) Authenticity

(B) Confidentiality

(C) Integrity

(D) Non-repudiation

Non-repudiation refers to ensuring that the signer cannot later deny what was signed.

Option D

Explanation:

During the collecting of the evidence from the witness's proper procedure will be carried out according to the law. And while collecting the evidence the witnesses will briefed about the how the information are to be collected digitally and also the value of the digital signature its authenticity.

Non-repudiation is a legal setting which means the author of the statement cannot deny the validity of the contract associated.

According to the available clauses in the law, witness is examined and collected evidence is being authenticated by the digital signature of the witnesses which are submitted for prosecution before the court. Later the authenticated documents or evidence cannot be denied by the witness.

(D) Non-repudiation

Explanation:

This is an example of the legal concept of non-repudiation. When investigators take a statement from witnesses, they require them to provide a digital signature. The main reason for this is to ensure that the validity of this document is not later questioned. Paper signatures can be forged relatively easily. However, digital signatures are much harder to break. This is why such certificates provide non-repudiation.