Which statement accurately characterizes the evolution of network security?

Which statement accurately characterizes the evolution of network security?

• Internal threats can cause even greater damage than external threats.
• Internet architects planned for network security from the beginning.
• Early Internet users often engaged in activities that would harm other users.
• Threats have become less sophisticated while the technical knowledge needed by an attacker has grown.

Exam with this question: CCNA Security Chapter 1 Exam (CCNAS v1.2)