Course details

Security Architectures: Defensible Security

Security Architectures: Defensible Security

Expected Duration
Lesson Objectives
Course Number
Expertise Level


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.

Expected Duration (hours)

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
  • Course Number:

    Expertise Level