Useful Links

Useful Links for education, training, CTFs and News

Cyber Security Training
Youtube
Nice Links
Clear Brainfog
Tools, OSINT & Open Source

Cyber Security Training

This is a curated list of interactive platforms, games, CTFs, open-source intelligence tools, and educational resources for anyone interested in cybersecurity, threat hunting, or ethical hacking.

Source:
https://www.linkedin.com/posts/mohessa511_cybersecurity-incidentresponse-playgames-activity-7132644163556114432-xC67?utm_source=share&utm_medium=member_desktop&rcm=ACoAAB4yqlYBh8d6I6IWTW6bdVPynH4m3OpMRZI

And own additions

📚 Learning Platforms

INE – Free cybersecurity and networking courses.
Immersive Labs – Advanced interactive cybersecurity labs.
RangeForce – Interactive and scalable cyber training.
Pluralsight – Developer & security skill-building platform.
Haiku, Inc – Platform for hosting cybersecurity ranges and challenges.
Pentest Cheat Sheets – Collection of red team tactics and commands.
Darkstar7471 – Blog of a TryHackMe admin with various security insights.
Gian's GitHub Page – Personal write-ups and insights from a LinkedIn security expert.

🧠 Learning Platforms & CTFs

Hacksplaining
Interactive lessons explaining common web vulnerabilities and their mitigations.
picoCTF
Beginner-friendly CTF (Capture The Flag) competition platform created by cybersecurity experts at Carnegie Mellon.
Let’s Defend
Blue team-focused simulation platform with SOC analyst tasks.
OverTheWire
Classic wargames to learn Linux security, shell scripting, and exploitation.
HackerOne CTF
A hacking playground hosted by HackerOne for web vulnerability training.
Splunk Boss of the SOC
Realistic SOC analyst challenges using Splunk data.
CyberDefenders
Blue team-oriented challenges and training platform.
CyberDefenders Blue Team CTFs
Archive of practical detection and analysis challenges.
EchoCTF
Competitive red/blue team CTF environment.
Exploitation Education
Linux-based exploitation challenges covering stack overflows, heap, and format strings.
Google CTF
Official Google-hosted cybersecurity CTFs.
W3Challs
Various hacking challenges: web, forensics, and crypto.
WeChall
Meta-CTF aggregator that tracks your challenge progress across sites.
Webgoat
OWASP's deliberately insecure web app for learning web vulnerabilities.
CMD Challenge
Solve problems using only Linux command line knowledge.
CryptoHack
Learn cryptography by solving Python-based challenges.
CTFtime
CTF competition calendar and team ranking tracker.
Vulnmachines
Vulnerable machines and labs to practice penetration testing.
Alert to Win
Fun JavaScript-based hacking challenge.
TCM Security Academy
Practical cybersecurity courses including ethical hacking and OSINT.

🎮 Hacking-Themed Games

Duskers
Sci-fi tactical game using command-line-like interface.
TIS-100
Assembly language puzzle game that simulates reverse engineering.
ThreatGen Red vs. Blue
Turn-based strategy game teaching cyber offensive/defensive skills.
Spudnet Board Game
Fun family board game teaching cybersecurity concepts.
Nite Team 4
A tactical hacking simulation game with real-world inspired missions.
Hacknet
Terminal-based hacking simulation game.

📊 Reports & Insights

2024 State of the Security Team – TrendMicro
Research report on challenges faced by security teams.
Backdoors & Breaches Card Game
A fun tabletop game to simulate incident response and detection.

Youtube

Youtube Channels

Youtube Videos

MiTM attack

https://www.youtube.com/watch?v=-rSqbgI7oZM

Hacking step-by-step

https://www.youtube.com/watch?v=2TofunAI6fU

Whonix anonymize kali

https://www.youtube.com/watch?v=g8SzRhA8NXI&t=1s

CTFs explained

https://www.youtube.com/watch?v=Lus7aNf2xDg&t=84s

Wildcard injection

https://www.youtube.com/watch?v=HXikLrFVIXc&t=1844s

Get yourself free Membership

https://www.youtube.com/watch?v=MEyyegfvhwM

Make your LinkedIn better

https://www.youtube.com/watch?v=GclSqwKWCPE
Tipps how to boost your profile in the topic

Nice Links

Research & Academic Tools

Sci-Hub - Provides free access to millions of research papers.
Gutenberg - Offers a library of over 70,000 free eBooks.
Cymath - Solves any math problem.
OceanofPDF - Provides access to free PDFs of books.
MyBib - Creates citations in seconds, all in one place.
UnstuckStudy - Chat with all of the files in your class at once and get cited answers.
Scholarcy - Summarize any paper, article, or textbook. You can summarize videos too.
Perplexity.ai - A free AI-powered answer engine providing accurate, trusted, and real-time answers to any question.
Bookai.chat - Chat with your books in over 30 languages.

AI Tools

Paperz.ai - Write your research paper 10x faster with AI.
Flashka.ai - Writing flashcards with AI.
Dende.ai - Turn your study notes into exam quizzes in seconds.
Gamma.app - A new medium for presenting ideas, powered by AI.
Otter.ai - Get transcripts, automated summaries, action items, and chat with Otter to get answers from your meetings.
Krea.ai - The easiest way to generate with AI.
Twaingpt - AI humanizer.
Ryne.ai - Another AI tool.
Sketch Meta Demo Lab - AI animation tool.
Otio.ai - Understand & chat with your docs, links & videos. Automate complex research workflows with AI.
Logomark.ai - Limitless creativity with prompt-based logo creation.
Audioread - Use AI to listen to articles, PDFs, emails, etc., in your podcast player.
AgentGPT - Allows you to configure and deploy autonomous AI agents.
BlackBox.ai - Best AI model for code.
InVideo.io - Unlock your creativity and turn any idea into a full-length video.

Miscellaneous Tools

Stremio - Freedom to stream movies and TV shows.
NuclearPlayer - Supports YouTube, SoundCloud, Bandcamp, and your local library to stream music.
PlayPhrase - Search for movie and TV show dialogue clips using keywords.
Tldraw - A free and instant collaborative whiteboarding tool.
ChatDoc - Chat with documents and get instant answers with cited sources.
Hissab.io - A text-based calculator app that does much more than calculations.

Clear Brainfog

https://www.youtube.com/watch?v=QNKhJtQpboU

https://www.youtube.com/watch?v=Wk9p3dhMYdk

https://www.youtube.com/watch?v=lSwHXE9LohA

https://www.youtube.com/watch?v=zwmX4ADLjuE

Tools, OSINT & Open Source

🔎 OSINT & Data Discovery Tools

These tools are useful for uncovering publicly accessible information, exposed data, malware indicators, code leaks, documents, and file indexing across the internet.

🔍 Privacy Search Engines

DuckDuckGo – Privacy-focused search engine that doesn’t track users.
Startpage – Google results with privacy protection and no tracking.

🗃️ Paste, Code, and Source Scanning

psbdmp – Largest archive of leaked {paste} dumps from pastebin-style sites.
Search-Pastebin – Google CSE-powered meta-search across 33 paste sites.
RedHuntlabs Online IDE Search – Search keywords across online IDEs, code sharing platforms, and pastebins.
NerdyData – Find websites using specific technologies or HTML/JavaScript code.
Publicwww – Source code search engine indexing 480+ million pages.
CybDetective Code Search – Custom search across 20+ code hosting platforms.
grep.app – Fast regex-capable search engine for 500k+ Git repos.
searchcode – Search 75 billion lines of code from 40 million public projects.

📁 File & Directory Indexing

Open Directory Search Tool – Search files in unprotected open directories.
Mamont FTP – Largest public FTP search engine.
NAPALM FTP Indexer – Index of over 894 million FTP files across thousands of servers.
DeDigger – Discover publicly shared files in Google Drive.
UVRX – Search files from older hosting sites (e.g., Mega, Mediafire, Zshare).

📚 Document & Content Discovery

PDF Drive – Download from a library of over 75 million free PDFs.
SlideShare – Explore millions of user-submitted presentations.
Scribd – Document repository with 195+ million user-uploaded files.

🧪 Threat Intelligence & IOC Lookup

VirusTotal – Multi-engine scanner and IOC search platform for files, hashes, domains, and URLs.
Hybrid Analysis – Free malware sandbox that performs hybrid static/dynamic analysis.
Sucuri SiteCheck – Website malware and security scanner.
URLhaus – Malicious URL tracker and database.
Feodo Tracker – Monitor and block IPs related to Feodo/Bugat/Dridex botnets.
SSL Blacklist – Collection of blacklisted SSL certificates and JA3 fingerprints.
MalwareBazaar – Repository for sharing malware samples.
Talos Reputation Center – IP, domain, and file reputation check.
PaloAlto URL Filtering – Link classification and reputation check.
OTX AlienVault – Threat sharing platform with global IOC and pulse feeds.
URLScan – Scan and analyze websites in a sandboxed environment.
McAfee Threat Center – Threat intelligence and malware information.
National Vulnerability Database (NVD) – US government vulnerability database with CVSS scores.
CVE Database – Public list of common vulnerabilities and exposures.
Website Reputation Checker (URLVoid) – Checks domain/IP reputation using multiple sources.
Google Safe Browsing Status – Checks if a site is flagged by Google Safe Browsing.
Looky Luu - Online Sandbox for Domain Checks
URLscan - Online Sandbox for Domain Checks

🌐 Network, Routing, and Metadata Tools

Nmap – Network scanner and host discovery tool.
Yersinia – Penetration testing tool for attacking network protocols.
Passive OS Fingerprinter (p0f) – Passive network OS fingerprinting tool.

🛡️ Offensive Security & Exploitation

Kali Linux – Penetration testing and security auditing Linux distribution.
Metasploit – Exploit development and penetration testing framework.
Aircrack-ng – Wireless network security auditing tool.
Powerfuzzer – Automated web application vulnerability scanner.
ShellNoob – Shellcode writing toolkit.
Backdoor Factory – Patch binaries with custom backdoors.
Capstone Engine – Multi-architecture disassembly framework.

🧰 Analysis & Development Utilities

CyberChef – Web-based data transformation and analysis toolkit.
CyberChef (Offline) – Local instance for offline data analysis and transformation.
JavaScript Beautifier – Formats and beautifies JavaScript code for readability.
UnPacker – JavaScript deobfuscation/unpacking tool.
Awesome Malware Analysis – Curated list of malware analysis tools and resources.

📰 News & Security Feeds

Inside-IT – Swiss IT and tech news.
Heise Security – 7-Tage-News – German IT security news overview (last 7 days).
CERT-EU News Monitor – EU cybersecurity news and advisories.

📬 Disposable Email Services

Trash-Mail – Temporary disposable email inbox.
Mailinator – Public temporary email service.

🖥️ Internal/Local Resources

Sandbox – Likely internal sandbox environment for testing malware or files.
DPI (NetWitness) – Network analysis and deep packet inspection tool (internal link).