Secure Communication, TLS/SSL, Certificates

Cyber Log — October 13, 2025

Focus Areas: Secure Communication, TLS/SSL, Certificates

---

Objectives

Deepen understanding of secure communication mechanisms, certificate management, and their role in enterprise environments.

---

Activities & Labs

• Reviewed TLS handshake sequence and role of IKE in IPSec tunnels.
• Compared tunnel vs transport mode operation in IPSec.
• Configured HTTPS-only access on internal test web service.

---

Knowledge & Concept Highlights

• TLS session establishment and encryption negotiation.
• IKE role in establishing Security Associations.
• Difference between IPSec transport and tunnel modes.

---

Reflections & Takeaways

Solidified conceptual linkage between cryptography and network architecture.
Hands-on TLS exercises improved comprehension of secure transport fundamentals.

---

End of Log — October 13, 2025