A security analyst finished drafting an official response to a security assessment report, which must be sent to the head of the auditing department. The security analyst needs to assure the head of the auditing department that the response came from the security analyst, and the contents of the response must be kept confidential. Which of the following are the LAST steps the security analyst should perform prior to electronically sending the message? (Select TWO). DC O D D E. Hash the message. Encrypt the message Digitally sign the message. Label the email as "Confidential." Perform key exchange with the recipient