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TryHackMe — Pre-Security

Structured documentation from my Pre-Security learning path on TryHackMe — completed July 2026 with SEC0 Professional Certification.

Status Modules Completed Difficulty Platform

I worked through this path to build a solid foundation before moving into offensive security. Each module is documented with room-level writeups, concept deep-dives, command references, and cheat sheets so I can return to any topic quickly.

Modules

# Module Status What I Learned
01 Introduction to Cyber Security ✅ Completed Red vs blue team roles, CIA triad, ethical hacking principles
02 Network Fundamentals ✅ Completed OSI/TCP-IP models, protocols, ports, subnetting, routing
03 How The Web Works ✅ Completed DNS resolution, HTTP methods/status codes, request lifecycle
04 Computer Fundamentals ✅ Completed CPU, RAM, storage, cloud computing models
05 Operating Systems Basics ✅ Completed Linux/Windows CLI, file permissions, process management
06 Software Basics ✅ Completed Binary/hex, Python/JavaScript syntax, SQL queries
07 Attacks and Defenses ✅ Completed Cyber Kill Chain, MITRE ATT&CK, command injection, incident response

Repository Structure

PreSecurity/
├── README.md               You are here
├── SUMMARY.md              Room-by-room index
├── ROADMAP.md              Learning progression and career guidance
├── Modules/
│   ├── Module-01-.../     Room-level writeups per module
│   └── ...
├── Concepts/               Deep-dive concept explanations
├── Commands/               Command references with examples
├── Tools/                  Tool guides
├── CheatSheets/            Quick reference sheets
├── Diagrams/               Architecture and flow diagrams
├── InterviewQuestions/     Common interview questions
└── Revision/               Module quick-reference summaries

Skills Covered

  • Cyber Security Foundations — Offensive vs defensive security, CIA triad, career pathways
  • Networking — OSI model, TCP/IP, DNS, HTTP, ports, protocols, subnetting
  • Web Technologies — DNS resolution, HTTP request/response lifecycle
  • Computer Hardware — CPU, RAM, storage, GPUs, cloud computing
  • Operating Systems — Windows & Linux internals, CLI, file systems, permissions
  • Programming Basics — Binary, Python, JavaScript, SQL
  • Security Operations — Cyber Kill Chain, MITRE ATT&CK, incident response

Next Paths

After Pre-Security, I moved to:

Path Focus Status
Cyber Security 101 Expanded foundations with hands-on tooling Completed
Jr Penetration Tester Web exploitation, network pentesting In progress (27%)

Resources

Profile: utkarsshh Last updated: July 2026