What is the most important one among the realities listed?
- A[A] New vulnerabilities will be introduced into your environment every day.
- B[B] If employees disregard warnings about the hazards of opening questionable email attachments, the manager should educate them about properly configuring firewalls and intrusion detection systems for their PCs.
- C[C] Managers have more responsibility than ever.
- D[D] Security managers are asked to support increasing degrees of network availability and access.