File encryption and enterprise rights management (access controls) are examples of safeguards used at the layer of the Defense in Depth model. O A) internal network O B) host OC) data D) application

One of the most basic concepts in the field of Information Security is the CIA Triad or CIA Triangle.  This was mentioned briefly in Chapter 1 of your text.  CIA stands for Confidentiality, Integrity, and Availability.  Denial of Service (DoS) attacks challenge the "Availability" of a system or data.  This could be temporary (e.g., a SYN Flood Attack that renders a web server unavailable during the attack) or permanent (e.g., the deletion or destruction of the data).  The latter of these has become increasingly common in the case of "ransomware" which is malware that encrypts all of the data on an infected system and the administrator is notified that if they don't pay a ransom by a certain date that the key to decrypt the data will be permanently deleted.  (NOTE: This is conspicuously absent from the books discussion on malware but is a MAJOR issue right now.)  While the temporary attacks may be less destructive, they are often done against systems that generate a lot of money (such…

How does a security architecture help plan and deploy a security infrastructure? What is the governance of digital security? Who can prepare for it in the organization?

What is a disadvantage of organizing IT security policies by domain?