HackTech

:: YOUR SOURCE FOR CYBER INTELLIGENCE ::

Structured Learning Tracks

Everything from awesome-hacking’s curriculum is indexed here—start with fundamentals, branch into reverse engineering, and keep expanding with hands-on practice environments. Pair these with the Analyst Chat to craft a personalized study plan.

System Tutorials

Reverse Engineering Tutorials

Practice Arenas & Wargames

System Challenges

  • OverTheWire: Semtex

    Tackle progressively harder exploitation problems with a focus on binary mastery.

  • OverTheWire: Vortex

    Low-level Linux challenges emphasizing network programming and exploitation.

  • OverTheWire: Drifter

    Explore exploitation of binaries with network interaction and creative payloads.

  • pwnable.kr

    Collection of system-level exploitation problems curated for aspiring pwners.

  • Exploit Exercises: Nebula

    Virtual machine of Linux privilege escalation scenarios with guided write-ups.

  • SmashTheStack

    Community-driven wargames covering stack smashing and other exploitation tactics.

  • HackingLab

    Multi-disciplinary lab covering system, web, and crypto challenges with scoring.

Reverse Engineering Wargames

  • Reversing.kr

    Challenge ladder that sharpens code reversing and crackme solving.

  • CodeEngn Challenges

    Korean-language reversing problems exploring anti-debugging and packing.

  • simples.kr

    Additional Korean reversing missions ideal for cross-language practice.

  • Crackmes.de

    Historic archive of crackme binaries organized by difficulty.

Web & Full-Stack Practice

  • Hack This Site!

    Classic legal training ground with missions covering web, app, and programming puzzles.

  • Hack The Box

    Ever-expanding lab of Windows and Linux targets spanning pentest specialties.

  • Webhacking.kr

    Korean challenge site focusing on web application exploitation skills.

  • 0xf.at

    Password riddles and hackits without logins—ideal for quick puzzles.

  • fuzzy.land

    Austrian-hosted archive of CTF challenges ready for replay.

  • Google Gruyere

    Deliberately vulnerable web app illustrating cross-site scripting and injection issues.

  • OWASP Vulnerable Web Apps

    Index of online applications purposely built for security training.

  • TryHackMe

    Guided paths and virtual rooms covering web, cloud, and defensive tradecraft.

Cryptography Wargames

  • OverTheWire: Krypton

    Incremental crypto wargame covering substitution ciphers, frequency analysis, and beyond.

Bug Bounty & Professional Opportunities

Knowledge Bases

Bug Bounty Platforms

  • Bugcrowd

    Marketplace connecting researchers with public and private bounty programs.

  • HackerOne

    Industry-leading bug bounty and vulnerability coordination platform.

  • Intigriti

    European bug bounty hub offering recurring challenges and managed programs.

CTF Circuits & Reference Hubs

Competitions

  • DEF CON CTF

    Flagship capture-the-flag contest featuring offense, defense, and mixed rounds.

  • CSAW CTF

    Academic-focused competition run by NYU Tandon with global qualifiers.

  • hack.lu CTF

    European event blending technical challenges with creative problem solving.

  • Plaid CTF

    Plaid Parliament of Pwning’s competition known for elegant, tricky tasks.

  • RuCTFe

    Russian Jeopardy-style contest with wide-ranging exploitation categories.

  • Ghost in the Shellcode

    Team-based CTF emphasizing binary exploitation and creative puzzles.

  • PHD CTF

    Positive Hack Days competition blending attack-defense and jeopardy rounds.

  • SECUINSIDE CTF

    Korean security conference CTF with unique exploitation tasks.

  • Codegate CTF

    Long-running competition with qualifiers and finals in Seoul.

  • Boston Key Party

    CTF that prides itself on inventive, high-quality reverse engineering and crypto problems.

  • ZeroDays CTF

    Irish security challenge with student and professional divisions.

  • Insomni'hack

    Swiss-held contest culminating at the Insomni'hack conference.

  • picoCTF

    Beginner-friendly competition created by Carnegie Mellon for students.

  • prompt(1) to win

    Series of XSS challenges crafted by the Google Security Team.

  • Hack The Box

    In addition to labs, HTB hosts seasonal CTFs and ranked competitions.

Reference Hubs & Media

  • Hack+

    Bot-powered feed aggregating the latest InfoSec and CTF content.

  • CTFtime.org

    Global calendar, ratings, and write-ups for the entire CTF ecosystem.

  • WeChall

    Meta-ranking site linking challenges across dozens of hacking platforms.

  • CTF Archives @ shell-storm

    Repository of past CTF tasks, binaries, and solutions.

  • Rootkit Arsenal

    Book focused on operating system reverse engineering and rootkit development.

  • Pentest Cheat Sheets

    Collection of quick-reference guides for common offensive tasks.

  • Movies for Hackers

    Curated film list to keep the hacker culture inspiration alive.

  • Roppers CTF Fundamentals Course

    Free course that trains the mindset and skills required to excel in crypto, forensics, and more.

Security-Focused Operating Systems

Research Directories

Always obtain written authorization before deploying offensive operating systems on production networks.