Several comprehensive free PDFs are legally available because they are original works. Examples include:
: Coverage of information gathering, vulnerability scanning, and professional report writing. pen-200 pdf download
Many successful OSCP holders only buy 30 days of lab time after 4-6 months of pre-studying via public resources. This saves money and completely avoids the need for illegal PDFs. and password attacks.
: Instruction on privilege escalation (both Windows and Linux), AV evasion, and password attacks. pen-200 pdf download