Walker, a security team member at an organization, was instructed to check if a deployed cloud service is working as expected. He performed an independent examination of cloud service controls to verify adherence to standards through a review of objective evidence. Further, Walker evaluated the services provided by the CSP regarding security controls, privacy impact, and performance.
Identify the role played by Walker in the above scenario.

Miguel, a professional hacker, targeted an organization to gain illegitimate access to its critical information. He identified a flaw in the end-point communication that can disclose the target application's dat a.
Which of the following secure application design principles was not met by the application in the above scenario?

Hayes, a security professional, was tasked with the implementation of security controls for an industrial network at the Purdue level 3.5 (IDMZ). Hayes verified all the possible attack vectors on the IDMZ level and deployed a security control that fortifies the IDMZ against cyber-attacks.
Identify the security control implemented by Hayes in the above scenario.

Rickson, a security professional at an organization, was instructed to establish short-range communication between devices within a range of 10 cm. For this purpose, he used a mobile connection method that employs electromagnetic induction to enable communication between devices. The mobile connection method selected by Rickson can also read RFID tags and establish Bluetooth connections with nearby devices to exchange information such as images and contact lists.
Which of the following mobile connection methods has Rickson used in above scenario?

Stephen, a security professional at an organization, was instructed to implement security measures that prevent corporate data leakage on employees' mobile devices. For this purpose, he employed a technique using which all personal and corporate data are isolated on an employee's mobile device. Using this technique, corporate applications do not have any control of or communication with the private applications or data of the employees.
Which of the following techniques has Stephen implemented in the above scenario?