Internet And Network Technologies
Security Architectures
Security Architectures: Defensible Security

Security Architectures: Defensible Security

Course Number:
Lesson Objectives

Security Architectures: Defensible Security

  • discover the key concepts covered in this course
  • describe the challenges and deficiencies of traditional security architectures
  • describe some of the standards that address the challenges of security architectures
  • describe the concepts and approaches to defensible architecture
  • describe the zero-trust model for security
  • describe the security architecture needs for layer 1, 2, and 3
  • describe the principle of least privilege and how it pertains to security architecture
  • describe the security benefit of reproducible builds
  • configure a deny-first firewall using ufw
  • configure a firewall to block all but a trust subnet
  • configure a VPN service using WireGuard
  • configure a secure VPN client to connect to a VPN server
  • configure a firewall to block untrusted egress
  • summarize the key concepts covered in this course


Explore defensible architecture and zero-trust models from the standpoint of a security architect. Familiarize yourself with challenges and tools used to address the challenges of network security. Review common security models and standards for network security.


Prerequisites: none

Close Chat Live