NIST SP 800-77 Rev 1: Guide to IPSec VPNs

DoD – Cyber Awareness Challenge 2024 – Malicious Code

Amazon Web Services – How to Protect Data in Transit

CISA – Enhanced Visibility and Hardening Guidance for Communications Infrastructure

NetworkWorld – Transport Layer Security (TLS)

NIST SP 800-113: Guide to SSL VPNs

NIST SP 800-41 Rev 1: Guidelines on Firewalls and Firewall Policy

SANS Institute – Firewall Checklist