Reference

Quick reference sheets. Concise technical data for security engineers.

Reverse Shell Cheat Sheet

Quick reference of reverse shell one-liners across Bash, Python, PHP, PowerShell, Netcat, Perl, Ruby, and more.

Coming soon

JWT Structure Reference

JWT header parameters, standard claims registry, algorithm identifiers, and token format specification.

Coming soon

Hash Algorithm Comparison

SHA-256 vs SHA-512 vs SHA-1 vs MD5 — digest sizes, block sizes, security levels, and performance characteristics.

Coming soon

Base64 Variants

Standard Base64, Base64URL, and Base64 with padding — character sets and when to use each variant.

Coming soon

X.509 Field Reference

All X.509 certificate fields, extensions, key usage flags, and OIDs organized by category.

Coming soon

CVSS v3.1 Formula

The complete CVSS v3.1 base score equations, metric weights, and scoring reference tables.

Coming soon