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 devices and their functions

This section introduces core networking concepts and devices, including clients, servers, switches, routers, and firewalls

Network devices - including clients, servers, switches, routers, and firewalls - and their functions.

Key concepts discussed in this section include hosts, IP addresses, networks, repeaters, hubs, bridges, switches, and routers.

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Last updated 5 days ago