Pre Security

Networking, operating system and web fundamentals for people starting from zero.

12 rooms, about 63 minutes of reading

Start at room 1 Room Cloud Computing Fundamentals
  1. 1 Room Cloud Computing Fundamentals A beginner walkthrough of the TryHackMe Cloud Computing Fundamentals room, what the cloud is, deployment types, and service models … 6 min
  2. 2 Room Pentesting Fundamentals A beginner walkthrough of the TryHackMe Pentesting Fundamentals room, what a pentest is, hacker ethics, methodologies … 4 min
  3. 3 Operating Systems Introduction: Kernel Space and a Flag Walkthrough of TryHackMe Operating Systems Introduction: kernel vs user space, reading a MATE desktop's specs and filesystems, and … 5 min
  4. 4 Windows Basics: First Day and a Quarantined EICAR Walkthrough of TryHackMe Windows Basics: Server 2019 system specs, File Explorer, Settings, Task Manager, and recovering a … 6 min
  5. 5 Data Encoding: ASCII, Unicode, and the UTF Encodings Walkthrough of TryHackMe Data Encoding: ASCII and TryHackMe as bytes, Unicode code points, UTF-8/16/32, and every ASCII and … 7 min
  6. 6 Python Simple Demo: Building Guess the Number Walkthrough of TryHackMe Python Simple Demo: building a Guess the Number game with variables, print/int/input, if/elif/else … 5 min
  7. 7 JavaScript Simple Demo: Guess the Number in Node.js Walkthrough of TryHackMe JavaScript Simple Demo: rebuilding Guess the Number in Node.js with let/const, console.log, parseInt, … 7 min
  8. 8 Database SQL Basics: SELECT, FROM, WHERE, ORDER BY Walkthrough of TryHackMe Database SQL Basics: databases, tables/rows/columns, and the SELECT, FROM, WHERE, ORDER BY clauses, with … 5 min
  9. 9 The CIA Triad: Confidentiality, Integrity, Availability Walkthrough of TryHackMe The CIA Triad: what Confidentiality, Integrity, and Availability protect, every task answer, and the … 4 min
  10. 10 Cryptography Concepts: Symmetric, Asymmetric, and HTTPS Walkthrough of TryHackMe Cryptography Concepts: plaintext vs ciphertext, the Caesar cipher game, symmetric vs asymmetric … 5 min
  11. 11 Become a Hacker: Gobuster and a Hydra Login Attack Walkthrough of TryHackMe Become a Hacker: enumerate a web app to find a hidden login, then chain it with a Hydra dictionary attack … 4 min
  12. 12 Become a Defender: Map, Prioritize, Defend Walkthrough of TryHackMe Become a Defender: map a client's infrastructure, prioritize critical systems, and defend in depth, with … 5 min