Totality of protection mechanisms within a computer system, including hardware, firmware, and software, the combination responsible for enforcing a security policy. Source(s): CNSSI 4009-2015 NIST SP 800-12 Rev. 1 under Trusted Computing Base CNSSI 4009
Comments about specific definitions should be sent to the authors of the linked Source publication. For NIST publications, an email is usually found within the document.
Comments about the glossary's presentation and functionality should be sent to email@example.com.