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Raz99/README.md

Hi, I'm Raz Cohen!

3rd-year Computer Science student in Cyber Security program.
Proficient in Python, C/C++ and Java, with experience in manual and automated software testing.
Background in network security, system programming, object-oriented programming and databases through various projects.

Tech Stack

Languages
Python Java C++ C C# SQL

Databases
Elasticsearch MongoDB Neo4j Redis Cassandra Apache Spark

Tools & Environments
Git Postman Wireshark Linux Azure VirtualBox

Key Projects

  • Ransomware-Detector (Python | Security)
    Python security tool for real-time ransomware detection, using filesystem monitoring, entropy analysis, fuzzy-hashing and honeypots to flag suspicious encryption activity.

  • Atom-Molecule-System (C | Systems, Network)
    Concurrent C server simulating an atom-molecule model, featuring TCP, UDP and Unix domain sockets, shared-memory persistence and a command-driven protocol.

  • Reversi-Game (Java | OOP)
    Extended Java Othello game with custom disc mechanics, AI opponents and a Swing-based GUI, developed as part of an Object-Oriented Programming project.

  • Coup-Game (C++ | OOP, SFML)
    C++ implementation of the popular Coup card game, built with SFML for GUI and designed with OOP patterns (inheritance & polymorphism).

  • Phishing Email (Python | Security)
    A lab-controlled phishing simulator with social engineering emails, malicious attachments, and DNS tunneling for safe demonstration of cyber threats.

  • Network-Traffic-Analysis (Python | Network)
    Research project analyzing encrypted network traffic via Wireshark & TLS key decryption, comparing application patterns and fingerprinting techniques.

Contact

Popular repositories Loading

  1. Network-Traffic-Analysis Network-Traffic-Analysis Public

    Analyzing and comparing encrypted network traffic from popular applications to identify patterns and application fingerprints.

    Python

  2. Ransomware-Detector Ransomware-Detector Public

    Real-time ransomware anomaly detector for text files - entropy, ASCII ratio, fuzzy similarity, bulk-change heuristics.

    Python

  3. Coup-Game Coup-Game Public

    C++ implementation of Coup with GUI, custom roles, and tests

    C++

  4. Phishing-Email Phishing-Email Public

    Educational phishing-email simulation that builds MIME messages and sends them to a local fake SMTP server.

    Python

  5. Raz99 Raz99 Public

  6. Reversi-Game Reversi-Game Public

    Java-based extended Reversi (Othello) game featuring special discs, AI opponents, and undo/reset functionality.

    Java