Practical Foundations in Cybersecurity
  • 🖌️Practical Foundations in Cybersecurity
  • 1. IT career planning
    • Introduction - IT career planning
    • IT career paths – everything you need to know
    • Job roles in IT and cybersecurity
    • How to break into information security
    • The Security Operations Center (SOC) career path
    • The GRC analyst role
    • How to get CCNA certification
    • Job search strategy
  • 2. Introduction to cybersecurity
    • Introduction - Introduction to cybersecurity
    • Foundational cybersecurity concepts and practices
      • Information security definition
      • Confidentiality, integrity, and availability of information
      • Risk, threat, vulnerability
    • The cybersecurity threat landscape
    • Common cyber attacks
    • Risk mitigation methods
    • Network security risk mitigation best practices
  • 3. Cybersecurity GRC
    • Introduction - Cybersecurity GRC
    • Cybersecurity GRC
  • 4. Networking fundamentals
    • Introduction - Networking fundamentals
    • How data flow through the Internet
    • Network devices and their functions
    • The Open Systems Interconnection (OSI) model
    • Host to host communication in networking
    • How switches facilitate communication
    • How routers facilitate communication
    • Network protocols and their functions
    • OSI model layers and security threats
  • 5. Wireless security and cryptography
    • Introduction - Wireless security and cryptography
    • SSL/TLS cryptography
    • Wireless network security
    • Hashing algorithms and message integrity
    • Cryptographic encryption and confidentiality
    • The SSL/TLS handshake
    • Message signing using asymmetric keys
    • Authentication methods
    • Replay attacks and anti-replay methods
    • Generating and applying an RSA key
    • IEEE 802.11 authentication methods
    • IEEE 802.11 privacy and integrity methods
    • Authentication and encryption in WPA, WPA2, and WPA3
  • 6. Practical foundations in ethical hacking
    • Introduction - Practical foundations in ethical hacking
    • What is professional ethical hacking
    • The perils of unethical hacking
    • Defensive security vs offensive security
    • Defensive cybersecurity technologies
    • Phases of the penetration testing process
    • Types of penetration testing
    • Pentesting methodologies, frameworks, and technologies
    • Common attack targets
  • 7. Conclusion
    • Introduction - Conclusion
    • Final words
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  1. 4. Networking fundamentals

Network protocols and their functions

This section describes the roles of the network protocols ARP, FTP, SMTP, HTTP, SSL, TLS, and HTTPS in data transmission over the Internet

Network protocols and their functions (ARP, FTP, SMTP, HTTP, SSL, TLS, HTTPS, DNS, and DHCP).

Key concepts discussed in this post include the TCP/IP model, and the functions of the network protocols ARP, FTP, SMTP, HTTP, SSL, TLS, HTTPS, DNS, and DHCP.

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Last updated 5 days ago