Security Foundations 4 guides
Core concepts, OWASP Top 10 and secure coding practices every developer must know before writing a single line of server code.
Web Attacks & Prevention 3 guides
Deep dives into the most exploited attack vectors — how attackers think, what the payload looks like, and exactly how to stop them.
Network Security & Analysis 5 guides
Wireshark, tcpdump, Nmap and packet analysis — understand traffic at the wire level to detect and defend against real attacks.
Wireshark Tutorial: Capture, Filter and Analyse Network Traffic Like a Pro
Network Security Fundamentals: Firewalls, VPNs and IDS
Nmap Tutorial: Port Scanning, Service Detection and OS Fingerprinting
Packet Analysis: Reading Network Captures for Security Investigations
tcpdump: Command-Line Packet Capture and Real-Time Traffic Analysis
Penetration Testing 3 guides
Ethical hacking methodology, Burp Suite and Metasploit for authorised security testing — know the attacker's toolkit inside out.
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