Network & Security

Master network programming, cryptography, application security, and production security engineering with Python

A comprehensive deep dive into security engineering and network programming. Learn cryptography fundamentals, secure password storage, socket programming, HTTP protocol implementation, authentication/authorization patterns, OWASP Top 10 vulnerabilities, injection attacks, penetration testing, and network security operations. Build production-grade secure applications with proper threat modeling, encryption, and security best practices used by leading tech companies.

What You'll Master

🔒
Cryptography & Encryption

Hashing, symmetric/asymmetric encryption, password storage, Fernet, AES, RSA

🌐
Network Programming

Socket programming, HTTP protocol implementation, Protocol Buffers, custom protocols

🛡️
Application Security

OWASP Top 10, injection attacks, XSS, CSRF, secure coding, input validation

🔐
Authentication & Authorization

JWT, OAuth2, SAML, RBAC, ABAC, session management, policy engines

🔍
Security Testing

Penetration testing, fuzzing, SAST/DAST, vulnerability scanning, security audits

🔧
Network Security Operations

TLS/SSL, firewalls, IDS/IPS, VPNs, secrets management, incident response

Why Learn Security Engineering & Network Programming?

Security breaches cost companies millions in damages, reputation loss, and regulatory fines. As applications become more distributed and attackers more sophisticated, security engineering skills are in critical demand. This course teaches you to build secure systems from the ground up—from cryptography and network programming to application security and penetration testing. Learn the techniques used by security teams at companies like Google, Facebook, and Amazon to protect billions of users. Whether you're aiming for roles in security engineering, application security, network programming, or DevSecOps, this course provides the comprehensive foundation you need.

Prerequisites
  • Python Intermediate (completed)
  • Python Advanced (recommended, especially async programming and concurrency)
  • Basic Linux/Unix command line knowledge
  • Understanding of web protocols (HTTP basics)

Course Index

  1. Security Fundamentals & Threat Modeling
    CIA triad, threat modeling, attack vectors, defense in depth
  2. Cryptography Fundamentals
    Hashing algorithms, symmetric encryption, asymmetric encryption, digital signatures
  3. Secure Password Storage
    bcrypt, argon2, PBKDF2, salt, pepper, rainbow tables, password policies
  4. Encryption in Practice
    Fernet, AES-GCM, RSA, hybrid encryption, cryptography library
  5. Networking Fundamentals & Debugging
    TCP/IP, OSI model, packet analysis, Wireshark, tcpdump, network troubleshooting
  6. Socket Programming
    TCP/UDP sockets, client-server architecture, async networking, socket options
  7. HTTP/HTTPS Protocol Implementation
    HTTP internals, building HTTP client/server, request/response parsing, keep-alive
  8. Protocol Design & Serialization
    Custom protocols, Protocol Buffers, MessagePack, gRPC, serialization formats
  9. TLS/SSL & Secure Communications
    TLS handshake, certificates, CA hierarchy, mutual authentication, secure sockets
  10. Authentication Deep Dive
    Session-based, token-based, JWT, OAuth2 flows, SAML, OpenID Connect
  11. Authorization Patterns
    RBAC, ABAC, policy engines (OPA), permission systems, access control lists
  12. OWASP Top 10 Deep Dive
    Broken access control, crypto failures, injection, insecure design (Python examples)
  13. Injection Attacks Deep Dive
    SQL injection, NoSQL injection, command injection, LDAP injection, prevention techniques
  14. Web Security
    XSS, CSRF, clickjacking, secure headers (CSP, HSTS), cookie security, CORS
  15. Secrets Management & Key Rotation
    HashiCorp Vault, AWS Secrets Manager, key rotation strategies, secure storage
  16. Security Testing & Auditing
    Bandit, safety, SAST/DAST, fuzzing, penetration testing, security audits
  17. Container & Cloud Security
    Docker security, Kubernetes security policies, image scanning, runtime protection
  18. Network Security Operations
    Firewalls, IDS/IPS systems, VPNs, security monitoring, incident response
  19. Capstone: Secure Multi-Tenant Application
    Build end-to-end secure application with authentication, encryption, monitoring, and isolation

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