Cybersecurity Fundamentals
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The Threat Landscape & Core Security Concepts
The CIA triad and how to think about risk
Preview
Who attacks, why, and how attacks unfold
Practice: building a simple risk register
3 lessons
Phishing, Social Engineering & Pretexting
How phishing works and why it succeeds
Social engineering and pretexting beyond email
Practice: a phishing response playbook
3 lessons
Malware, Ransomware & Persistence
Types of malware and how they spread
Ransomware: how it works and how to be ready
Practice: malware defence checklist
3 lessons
Network Attacks — MITM, Sniffing, DNS Poisoning
How networks are attacked: sniffing and man-in-the-middle
DNS attacks and denial of service
Practice: securing a small office or home network
3 lessons
Authentication Attacks & Identity Threats
How passwords are attacked
MFA, session theft and identity attacks
Practice: an access review
3 lessons
Defensive Controls & Incident Response
Firewalls, MFA, SIEM and defence in depth
The incident response process
Practice: a tabletop exercise
3 lessons
Network Attacks — MITM, Sniffing, DNS Poisoning
DNS attacks and denial of service
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Editorial & AI Disclosure