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Cybersecurity & Ethical Hacking · Module 1 of 10

Cybersecurity foundations

Learn the goals and language of cybersecurity.

📖 Key ideas

  1. Cybersecurity protects systems, networks and data from attacks.
  2. CIA triad: Confidentiality, Integrity, Availability.
  3. Threat, vulnerability, risk and control.
  4. Defence in depth: many layers of protection.
  5. Everyone is responsible: users, developers, admins.
💡 Real-life example: Cybersecurity is protecting a house with locks, cameras, guards and alert neighbours together.
CIA triadConfidentiality, Integrity, Availability
VulnerabilityWeakness that can be exploited
ThreatPotential cause of harm
ControlMeasure reducing risk