NIST SP 800-77 Guide to IPSec VPNs

DoD – Cyber Awareness Challenge 2024 – Malicious Code

NIST SP 800-58 Security Considerations for Voice Over IP Systems

Amazon – How to protect data in transit

Microsoft – Azure Data Security and Encryption Best Practices

NetworkWorld – Transport Layer Security (TLS)

NIST SP 800-95 Guide to Secure Web Services

NIST SP 800-113 Guide to SSL VPNs

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

SANS Institute – Firewall Checklist