Security assurance provides the confidence that security features, practices,
procedures, and architecture of software systems mediateand enforce the
security policy and are resilient against security failure and attacks.
Alongside the significant benefits of securityassurance, the evolution of new
information and communication technology (ICT) introduces new challenges
regarding informationprotection. Security assurance methods based on the
traditional tools, techniques, and procedures may fail to account new
challengesdue to poor requirement specifications, static nature, and poor
development processes. The common criteria (CC) commonly used forsecurity
evaluation and certification process also comes with many limitations and
challenges. In this paper, extensive efforts havebeen made to study the
state-of-the-art, limitations and future research directions for security
assurance of the ICT and cyber-physicalsystems (CPS) in a wide range of
domains. We systematically review the requirements, processes, and activities
involved in systemsecurity assurance including security requirements, security
metrics, system and environments and assurance methods. We shed lighton the
challenges and gaps that have been identified by the existing literature
related to system security assurance and correspondingsolutions. Finally, we
discussed the limitations of the present methods and future research

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