Think of a question to which the answer is known only to you and your contact. Enter the question and answer, then wait for your contact to enter the answer. If the answers do not match, the communication channel you are using may be under surveillance.
Think of a question to which the answer is known only to you and your contact. Enter the question and answer, then wait for your contact to enter the answer. If the answers do not match, the communication channel you are using may be under surveillance.