What was the first area of security that many older operating systems addressed? a. Confidentiality b. Integrity c. Availability d. Encryption What layer of software intercepts all resource access...

What was the first area of security that many older operating systems addressed? a. Confidentiality b. Integrity c. Availability d. Encryption What layer of software intercepts all resource access requests to perform authorization of the request? a. Control b. Security object service c. Reference monitor d. Security monitor What is the common term for increasing the security level of a system by addressing all known vulnerabilities? a. Securing b. Hardening c. Anchoring d. Auditing