Algorithm Roadmap

Libraries & Tools

Essential libraries for Cybersecurity, AI/ML, Full-Stack, and Linux CLI projects

Phase 1: Foundations (Buniyadi Uloom)

Master basics. Practice 2-3 LeetCode easy problems daily, 1 CLI task weekly. Capstone: Password manager with encryption

Cybersecurity

• SHA-256 Hashing

  pycryptodome Easy

  Data hashing for passwords, file integrity, blockchain.

• AES Encryption

  pycryptodome cryptography Easy

  Encrypt sensitive data (WhatsApp, VPNs).

• RSA Algorithm

  pycryptodome cryptography Medium

  Key encryption, digital signatures (HTTPS, PGP).

• Base64 Encoding/Decoding

  base64 (Built-in) Easy

  Encode data for secure transmission (email, APIs).

• Password Hashing (bcrypt)

  bcrypt Easy

  Secure password storage (web apps).

AI / Machine Learning

• Linear Regression

  scikit-learn numpy pandas Easy

  Predict trends (stock prices, sales).

• Logistic Regression

  scikit-learn numpy pandas Easy

  Binary classification (spam, disease).

• K-Nearest Neighbors

  scikit-learn numpy Easy

  Classification (recommendation systems).

• Decision Tree

  scikit-learn pandas Easy

  Classification and regression (customer segmentation).

Full-Stack

• Binary Search

  Python Built-in Easy

  Fast searching (databases, autocomplete).

• Merge Sort

  Python Built-in Medium

  Sort large datasets (e-commerce, logs).

• Bubble Sort

  Python Built-in Easy

  Basic sorting for small datasets (learning).

• Hash Table Basics

  Python Built-in Easy

  Fast lookups (session management).

• DOM Manipulation Basics

  JavaScript Easy

  Interact with web page elements dynamically.

• Basic REST Client (fetch/axios)

  JavaScript Python (requests) Easy

  Communicate with backend APIs.

Linux CLI

• Bash Scripting Basics

  bash Easy

  Automate tasks (backups, log analysis).

• File Permissions & Users

  bash Easy

  Secure access (chmod, chown).

• Grep and Sed Basics

  bash Easy

  Text processing and filtering (logs).

• Cron Jobs

  bash Easy

  Automate scheduled tasks (backups).

Phase 2: Intermediate (Darmiyani Satah)

Build skills. Solve 3-4 LeetCode medium problems daily, 2 CLI tasks weekly. Capstone: Flask API with rate limiting

Cybersecurity

• HMAC

  pycryptodome cryptography Medium

  Message authenticity (API security).

• DSA / ECDSA

  cryptography pycryptodome Medium

  Digital signatures (blockchain).

• X.509 Certificates

  cryptography Medium

  Identity verification (HTTPS).

• Diffie-Hellman Key Exchange

  pycryptodome Medium

  Secure key sharing (VPN, SSH).

• Packet Crafting with Scapy

  scapy Medium

  Network analysis and pentesting.

AI / Machine Learning

• Support Vector Machine (SVM)

  scikit-learn Medium

  Complex classification (image recognition).

• Random Forest

  scikit-learn Medium

  Ensemble learning for higher accuracy.

Full-Stack

• BFS/DFS

  networkx Medium

  Graph traversal (social networks, pathfinding).

• Rate Limiting

  Flask-Limiter Medium

  Prevent API abuse (brute-force attacks).

• JWT Authentication

  PyJWT Flask/Django Medium

  Secure API endpoints with stateless tokens.

Linux CLI

• Process Management

  ps top kill Medium

  Monitor and control running applications.

• Networking Tools

  netcat nmap curl Medium

  Diagnose network issues and security.

Phase 3: Advanced (Uchi Darja)

Deepen expertise. Solve 1-2 LeetCode hard problems daily, 1 advanced CLI task weekly. Capstone: Neural network for image classification

Cybersecurity

• Steganography

  Pillow Hard

  Hide data within images or files.

AI / Machine Learning

• Convolutional Neural Networks (CNN)

  TensorFlow/Keras Hard

  Image classification and recognition.

Full-Stack

• Dynamic Programming

  Python Built-in Hard

  Optimize complex problems (finance, bioinformatics).

Linux CLI

• Firewall Configuration

  iptables ufw Hard

  Secure server by controlling network traffic.

Phase 4: Mastery (Shahana Maharat)

Innovate and lead. Contribute to open-source, build complex projects. Capstone: Custom Arch Linux build script

Cybersecurity

• Blockchain Fundamentals

  hashlib Hard

  Build a simple blockchain for understanding.

AI / Machine Learning

• Recurrent Neural Networks (RNN)

  TensorFlow/Keras Hard

  Sequence analysis (NLP, time series).

Full-Stack

• Microservices Architecture

  FastAPI Docker Hard

  Build scalable, decoupled systems.

• CI/CD with GitHub Actions

  YAML Docker Hard

  Automate testing and deployment pipelines.

Linux CLI

• Kernel Compilation

  make gcc Hard

  Customize system performance and features.

• Systemd Unit Writing

  systemd Hard

  Manage system services and daemons reliably.

• SELinux Policy Tuning

  semanage audit2allow Hard

  Enforce mandatory access control for enhanced security.