Which of the following is a legal action concerning interception of communications?

The correct response is the interception order because it is a specific legal mechanism used to authorize the interception of communications, such as telephone calls or electronic communications, by law enforcement or other authorized entities. An interception order is typically granted by a court and must comply with established legal standards that balance the need for surveillance with the protection of individual privacy rights.

This legal action ensures that interception is conducted lawfully, requiring law enforcement to demonstrate probable cause and specify the information sought, thus providing oversight and legal safeguards against potential abuses. The requirement for a court's involvement helps to maintain the integrity of the legal system and the protection of citizens' rights.

While the other options do relate to legal processes, they do not specifically authorize the interception of communications in the same manner. A civil suit addresses disputes between private parties, an affidavit is a written statement confirmed by oath, and a court summons is a document issued to notify an individual that they are required to appear in court. None of these directly pertain to the legal authority necessary for intercepting communications as an interception order does.