The dlagram below depicts the principles of secure system design and operation. Identify the correct principle that applies to the scenarios described below. For each principle, highlight its role on cybersecurity. a. Sierra Inc. has recently developed an authentication tool using a comprehensive algorithm developed by a thisd party vendor. Nobody in the company has any clue on how to troubleshoot the tool. b. After working for 3 years as a Network Administrator, Ricky has recently changed his role as Sales Manager. He no longer requires admin access. c. In addition to implementing data encryption and strict firewall rules to secure organisation data, Rashford inc, holds annual staff training sessions on information security. d. Martha had to reset her operating system to defauit/factory settings due to a software glitch. She is worried her personal data might be at risk. e. Staff requests to install third party software on personal devices need to be approved by their line manager and the CSO