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(CAP 9) Security vulnerabilities, threats and countermeasures (Assess and…
(CAP 9) Security vulnerabilities, threats and countermeasures
Assess and mitigate security vulnerabilities
Execution types
multitasking
multicore
multiprocessing (multiple processors to execute multithreaded application)
SMP (one system)
MPP (multiple systems)
multiprogramming (similar to multitasking, tipycally used on large scale systems)
multithreading (multiple concurrent tasks in a single process)
Processing types
single state
multistate (handles multiple security levels simultaneously)
protection mechanisms
protection rings
process states
security modes
dedicated mode (security clearance, access approval and need to know for all)
system high mode (need to know for some)
compartmented mode (access approval for some)
multilevel mode (security clearance for some)
da continuare.....