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PolyCyber Resources

website·Indexed 31 days ago

https://ressources.polycyber.io

A collection of cybersecurity learning materials, CTF (Capture The Flag) guides, and technical write-ups. The site provides introductory documentation on cybersecurity, environment setup for CTFs, offensive security cheat sheets, and detailed walkthroughs for competitions such as CyberSci, NorthSec, and RITSEC.

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What's inside PolyCyber

  1. Overview of PolyCyber Hacker Nights

    Hacker Nights are weekly events organized by PolyCyber where members collaborate to practice solving Capture The Flag (CTF) challenges. These sessions are open to everyone, and all coordination and detailed information are managed via the PolyCyber Discord server.

  2. Apply Machine Unlearning for the right to be forgotten

    Machine Unlearning enables AI systems to selectively 'forget' or remove specific pieces of information from a trained model. This is critical for complying with digital 'right to be forgotten' regulations, such as removing a user's data from facial recognition systems or recommendation algorithms.

  3. Reduce online tracking and profiling

    Limit the amount of data collected about your browsing habits by using privacy-focused tools:

    • Browsers: Use browsers with built-in tracking protection like Firefox or Brave.
    • Extensions: Install uBlock Origin or Privacy Badger to block advertising trackers.
    • Search Engines: Replace Google with privacy-respecting alternatives like DuckDuckGo, Startpage, or Qwant, which do not store search history or create advertising profiles.

  4. Use PortSwigger Web Security Academy for web application security

    Created by the developers of Burp Suite, this platform specializes exclusively in web application security. It provides high-quality labs and exhaustive documentation. Note that using Burp Suite is required for these labs.

  5. Analyze the Vector Veil 2024 Reverse Engineering challenge

    The Vector Veil 2024 challenge requires the user to analyze a binary that implements a digital check-in system. The program prompts for a name and a registration code. To solve the challenge, one must determine the algorithm used to generate these codes and calculate the specific registration code for the name 'Mateo Alvarez'.

  7. Explore cybersecurity career paths and roles

    To identify different types of cybersecurity careers across public, private, and academic research sectors, refer to the NICE Framework. For a visual overview of popular roles, the SANS Institute provides an infographic detailing the '20 coolest careers in cybersecurity'.

  8. Access Hacker Nights Winter 2025 Workshop Materials

    The Hacker Nights Winter 2025 session provides technical workshops and presentation materials for cybersecurity learning. Key sessions include:

    • Cybersecurity Certifications 101: Guidance on starting a career in cybersecurity and understanding certifications like OSCP.
    • Introduction to PWN: Technical workshop on exploiting software vulnerabilities, applicable to CTF competitions like PolyPwn.

  9. Use Homomorphic Encryption for secure cloud computation

    Homomorphic Encryption allows computations to be performed on encrypted data without needing to decrypt it first. This enables sensitive data (e.g., medical records or financial transactions) to be processed by third-party cloud services or AI analyzers without the service provider ever seeing the plaintext data.

  10. Implement Differential Privacy for data anonymity

    Differential Privacy protects individual data points by adding mathematical 'noise' to a dataset. This prevents the identification of specific individuals while maintaining the accuracy of global statistical trends. Common use cases include application usage statistics, crowd-density maps (e.g., Google Maps), and keyboard text suggestions.

  11. Analyze suspicious files and URLs with VirusTotal

    Use VirusTotal to analyze suspicious files or URLs. The service aggregates results from over 70 antivirus engines to provide a more reliable overview than a single scanner and offers detailed behavioral analysis and metadata. Warning: Do not upload personal or sensitive files to the service.

  12. Understand the fundamentals of cybersecurity (InfoSec)

    Cybersecurity, also known as InfoSec, consists of the practices, technologies, and processes used to protect systems, networks, and data from malicious attacks. Key principles include integrating security by design and ensuring the protection of sensitive data to prevent critical infrastructure impacts.