Path 10: Cybersecurity Fundamentals — KashSec Academy
CIA triad, risk, malware, hashing, phishing, MFA, frameworks. 20 free lessons, beginner→intermediate level, starting with "The CIA triad"
Level: Beginner→Intermediate · 20 lessons · Free, no account needed.
Lessons in this path
- The CIA triad — Confidentiality, Integrity, Availability — the field's core.
- Defense in depth — Why no single control is ever enough, and how this course itself mirrors the principle.
- Threats, vulns & risk — The unlocked-door analogy and the risk equation.
- Types of security controls — Preventive/detective/corrective/deterrent, and technical/administrative/physical.
- Vulnerability Management Basics — CVE, CVSS, and why score alone doesn't determine real priority.
- Attackers & the kill chain — Who attacks and the phases of an intrusion.
- Insider Threats — Malicious, negligent, and compromised insiders — and why they're hard to detect.
- Malware families — Virus, worm, trojan, ransomware, rootkit, spyware.
- Supply Chain Security Basics — Why a trusted vendor relationship is itself an attack surface.
- Passwords & hashing — How they should be stored, why reuse is a disaster.
- Phishing & social eng. — Attacking humans, not computers.
- Security Policies & Awareness Training — Why a policy on paper isn't the same as security in practice.
- MFA, updates, backups — Habits that stop most real attacks.
- Incident Response Basics — The six-phase lifecycle behind 'isolate first, investigate second.'
- Business Continuity & Disaster Recovery — RTO, RPO, and backups at organizational scale.
- Physical Security Basics — Why physical access defeats most digital controls, and what tailgating exploits.
- Frameworks & compliance — NIST, ISO, OWASP, MITRE, PCI DSS, HIPAA, GDPR.
- Security Metrics & KPIs — MTTD, MTTR, and why measuring the wrong thing can be actively misleading.
- Risk Assessment Lab — Practice thinking like a risk analyst.
- Social Engineering Lab — Understand how attackers manipulate people.