V-205586

Discussion

Applications can maintain separate execution domains for each executing process by assigning each process a separate address space. Each process has a distinct address space so that communication between processes is performed in a manner controlled through the security functions, and one process cannot modify the executing code of another process. Maintaining separate execution domains for executing processes can be achieved, for example, by implementing separate address spaces. An example is a web browser with process isolation that provides tabs that are separate processes using separate address spaces to prevent one tab crashing the entire browser. This requirement also applies to Zero Trust initiatives.

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If the Mainframe Product has no function or capability for multi-session operation, this is not applicable.

If the Mainframe Product is not configured to uniquely define and engineer each session to execute independently of any other session, this is a finding.