The resources contained in this topic are an effort to improve knowledge in cybersecurity.
Only free and legit documentation, DRM free and that not violate some copyright.
Most of them are super interesting shares finded on Linkedin by amazing works of professionals.

What do you think guys? Can be useful for this community or not?

B
Bash Notes for Theat Hunters and Other Professionals
A comprehensive 200+ page tutorial on Bash
https://www.linkedin.com/posts/danwilliamssecurityengineer_bash-notes-for-theat-hunters-activity-6927550050369753088-_hDx

C
CEH v11 Certification Guide
(V11 is the current version of CEH Certification Exam)
https://www.linkedin.com/posts/danwilliamssecurityengineer_ceh-v11-certification-guide-activity-6943914985320312832-SmdU

F
Finding beacons in the dark
A guide to cyber threat intelligence
https://www.linkedin.com/posts/danwilliamssecurityengineer_finding-beacons-in-the-dark-cyber-threat-activity-6923659395385954304-hLV7

H
HUNTPEDIA
Your Threat Hunting Knowledge Compendium
Huntpedia is an aggregation of wisdom from some seasoned Theat Hunters.
https://www.linkedin.com/posts/danwilliamssecurityengineer_huntpedia-activity-6910562238420373504-hl33

Handbook for social media investigations
Standard Investigative Workflows Departing, froma Names, Aliases, Email, Images and more
https://www.linkedin.com/posts/irina-kravchenko_ralfkairos-handbook-for-social-media-investigations-activity-6939380751876374528-wcku

I

Introduction to Cybersecurity
Easy words for beginners
https://www.linkedin.com/posts/irina-kravchenko_ralfkairos-introduction-to-cybersecurity-activity-6942280518969217024-mox6

L
Linux Notes for Professional
Basic operational and tutorial on Linux machines.
https://www.linkedin.com/posts/danwilliamssecurityengineer_linux-notes-for-professionals-activity-6927954180858933249-NZhi

M
MITRE ATT&CK️ for Dummies
Implement ATT&CK for effective cybersecurity, execute a threat-informed defense strategy, optimize your cybersecurity program
https://www.linkedin.com/posts/danwilliamssecurityengineer_mitre-attck-for-dummies-activity-6923989662613008384-1DWo

O

OWASP Web Security Testing Guide
The Bible, really.
https://github.com/OWASP/wstg/releases/download/v4.2/wstg-v4.2.pdf

P
Purple Teaming for Dummies
Execute effective purple team operations, elevate your cybersecurity performance, optimize your total cybersecurity program
https://www.linkedin.com/posts/danwilliamssecurityengineer_purple-teaming-for-dummies-activity-6931597309382135808-eSpk

R
Ransomware Recovery For Dummies
Develop a recovery plan, learn how to recover from attacks, get back to business asap.
https://www.linkedin.com/posts/danwilliamssecurityengineer_ransomware-recovery-for-dummies-activity-6925813986110189569-X84U

T
The Cybersecurity Acronym Book
THIS IS GOLD :)
https://www.linkedin.com/posts/danwilliamssecurityengineer_the-cybersecurity-acronym-book-activity-6915665965137432576-PGPQ

The red team guide
A pratical guide for Red Team and Offensive Security
https://www.linkedin.com/posts/danwilliamssecurityengineer_the-red-team-guide-activity-6930841971863289857-n4BO

W
Windows 11 Security Book: Every Thing You Need To Know
Built with Zero Trust principles at the core to safeguard data and access anywhere, keeping you protected and productive.
https://www.linkedin.com/posts/danwilliamssecurityengineer_windows-11-security-book-every-thing-you-activity-6911697874938388480-aonx