Essential networking concepts every developer should know for security.
TCP/IP & OSI Model
Understand layers and where security controls apply.
Firewalls & Security Groups
Configure inbound/outbound rules on cloud and on-premise systems.
TLS/SSL Handshake
See how HTTPS encrypts data in transit and why certificate validation matters.
Common Attack Vectors
Port scanning, MITM, DNS spoofing, and how to defend against them.
