Exploiting Insecure Direct Object Referencing (IDOR) and directory traversal flaws.
| Attack Type | What to Learn | Safe Practice Environments | | --- | --- | --- | | | UNION, blind, time-based, out-of-band | PortSwigger Labs, DVWA, HackTheBox (Academy) | | XSS | Reflected, stored, DOM, CSP bypass | Same as above + XSS game by Google | | CSRF & SSRF | Token bypass, internal port scanning | PortSwigger’s SSRF lab | | Authentication flaws | JWT attacks, session fixation, brute-force protection bypass | TryHackMe (Authentication module) | | Authorization bugs | IDOR, privilege escalation | PortSwigger’s IDOR labs | | File inclusion | LFI to RCE, PHP wrappers | Upload vulnerable VM (Tiny File Manager challenges) | | Deserialization | PHP, Python, Java (if advanced) | PHPGGC, ysoserial + DVWS (Damn Vulnerable Web Sockets) | | API testing | GraphQL introspection, REST parameter tampering | crAPI (Completely Ridiculous API) | web200 offensive security pdf better
print("[+] Sanitization complete. Secure PDF generated.") return True out-of-band | PortSwigger Labs
Since sharing the actual PDF would violate OffSec’s copyright and NDA, this guide shows you how to use the official materials effectively, what to focus on, and how to practice beyond the PDF. Java (if advanced) | PHPGGC