50-Day Hacker Challenge
50 days. 50 real attacks.From tutorial watcher to multi-domain hacker mindset.
This page is your preview of the complete Udemy course journey. It shows what you get, why it is different, and how each security domain connects into one practical offensive cybersecurity roadmap.
Web • Infra • IoT • RF/SDR • OT • Cloud • AI | English + தமிழ் | Real-target mindset
Start with Day‑0 (Free)
New here? Try Day‑0 free demos to experience Vhack's real attack style before joining the full 50‑Day Challenge.
Course snapshot
A fast overview for visitors who want to understand the value before opening Udemy.
Why this challenge is different
The focus is practical confidence. You see real flows, understand attacker thinking, and move across multiple domains instead of staying stuck in one narrow topic.
50 real-world attack lessons
Each day is positioned around practical attack thinking rather than slide-heavy theory.
Web to AI coverage
You move from web bugs to enterprise, devices, RF, cloud, OT, and LLM security.
No prior hacking needed
Basic computer knowledge and curiosity are enough to start the learning journey.
Start doing from Day 1
The course is built for practical learners who want to understand how systems break.
50-day roadmap in one glance
The challenge moves like a progression: mindset → web → bypass → enterprise → devices → RF → cloud/OT → AI.
Days 1–5
Mindset, recon, hidden targets.
Days 6–25
Web apps, chaining, bypass, account takeover.
Days 26–32
Networks, CVEs, SMB, LLMNR, AD.
Days 33–44
IoT, RF/SDR, OT, cloud, DNS.
Days 45–50
LLM attacks, Promptfoo, AI recon.
Explore by security domain
Open each domain to get the course impression in a nutshell.
🌐Web Security & Bug Bounty FoundationRecon, XSS, SQLi, LFI, XXE, SSTI, JWT, OAuth, bypass⌄
Web Security & Bug Bounty FoundationRecon, XSS, SQLi, LFI, XXE, SSTI, JWT, OAuth, bypass
What you learn
- Think like a hacker and discover hidden targets using subdomains, Wayback, and directory listing.
- Break web apps using HTML injection, open redirect, LFI, XSS, SQL injection, XXE, SSTI, JWT, and OAuth misconfigurations.
- Understand chaining: how simple bugs become stronger attack paths.
Why it matters
This is the core bug bounty foundation. If learners are stuck watching random YouTube videos, this gives them a structured path to understand how real web attack surfaces are found and exploited.
🖥️Infrastructure, Enterprise & Active DirectoryNetwork enumeration, SMB, CVE exploitation, LLMNR, BloodHound, Kerberoasting⌄
Infrastructure, Enterprise & Active DirectoryNetwork enumeration, SMB, CVE exploitation, LLMNR, BloodHound, Kerberoasting
What you learn
- Footprinting, network enumeration, SMB exposure, and practical service discovery.
- Known CVE exploitation flow using real-target mindset.
- Enterprise concepts like LLMNR poisoning, Active Directory enumeration, BloodHound, Kerberoasting, and Golden Ticket concepts.
Why it matters
This helps learners move beyond websites and understand how corporate-style attack paths work.
📡IoT, Hardware & RF SecurityFirmware, UART, SPI flash, Bluetooth smart lock, SDR aircraft tracking⌄
IoT, Hardware & RF SecurityFirmware, UART, SPI flash, Bluetooth smart lock, SDR aircraft tracking
What you learn
- IoT attack surface, firmware extraction, emulation, and hardware access basics.
- UART access, enumeration, exploitation, exfiltration, injection, and SPI flash extraction.
- Bluetooth smart lock attack concepts and SDR/ADS-B aircraft signal tracking demo.
Why it matters
Most beginner hacking courses stop at web. This domain makes the course stand out by touching real devices, signals, and hardware-level thinking.
☁️Cloud, DNS & OT / ICS AwarenessCloud enumeration, weak S3 bucket, OT/ICS basics, remote PLC recon⌄
Cloud, DNS & OT / ICS AwarenessCloud enumeration, weak S3 bucket, OT/ICS basics, remote PLC recon
What you learn
- Cloud enumeration and weak S3 bucket exposure using real-target style examples.
- DNS and cloud misconfiguration thinking.
- OT / ICS / SCADA basics and industrial attack surface awareness.
Why it matters
Cybersecurity is not limited to web apps and endpoints. This phase introduces critical systems, cloud mistakes, and infrastructure awareness.
🤖AI / LLM Security & AI-Assisted HackingLLM CTF, Promptfoo, AI recon, payload thinking, LLM exploitation⌄
AI / LLM Security & AI-Assisted HackingLLM CTF, Promptfoo, AI recon, payload thinking, LLM exploitation
What you learn
- LLM attack concepts and hands-on LLM CTF practice.
- Advanced injection-style thinking against LLM systems.
- AI pentesting using Promptfoo, plus AI for recon, bug hunting, payloads, and exploit-thinking workflows.
Why it matters
This is the future-proof layer. Learners understand how AI changes security testing and red-team workflows.
Who should join?
This page should make the learner feel: "This is built for me."
Beginners
Start ethical hacking with practical demos and a clear path instead of random learning.
Students
Build cybersecurity and penetration testing foundations with hands-on exposure.
Developers
Understand how real-world vulnerabilities happen and how attackers think.
Bug bounty learners
Move from passive watching to structured recon, exploitation, and validation thinking.
YouTube learning vs 50-Day Challenge
Make the difference obvious before the visitor goes to Udemy.
Random tutorial watching
Vhack 50-Day Challenge
Topic jumps without sequence
Day-wise roadmap from beginner to multi-domain exposure
Mostly theory or isolated tricks
Real attack-style demos and practical outcomes
Stops at web basics
Covers Web, Infra, IoT, RF, Cloud, OT, and AI
No clear transformation
Beginner watcher → practical hacker mindset
Final transformation
By the end of the journey, the learner should understand how attackers think across multiple attack surfaces.
Watching videos
Random tutorials, scattered notes, no clear sequence.
50 days of structure
One roadmap covering real attack surfaces and hands-on thinking.
Multi-domain mindset
Web, Infra, IoT, Cloud, OT, RF, and AI security awareness in one journey.
Ethical note: This is for lawful, authorized learning and cybersecurity skill-building only.