Comprehensive CTF and security testing skill covering web exploitation (SQLi, XSS, SSTI, SSRF, JWT, prototype pollution, file upload RCE), binary exploitation (buffer overflow, ROP, heap, format string, kernel, seccomp bypass), cryptography (RSA, AES, ECC, PRNG, ZKP, lattice), reverse engineering (ELF/PE, VMs, obfuscation, WASM, game clients), forensics (disk images, memory dumps, PCAP, stego, event logs, side-channel), OSINT (social media, geolocation, DNS, public records), malware analysis (C2 traffic, packers, .NET, shellcode), AI/ML security (adversarial examples, prompt injection, model extraction), and misc challenges (jails, encodings, RF/SDR, esoteric languages, game theory). Use when the user presents a CTF challenge, security assessment, penetration test, or needs offensive security techniques. Routes to specialized sub-skills per category.