Security

CIA triad

Easy Free +10 XP

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AuthN vs AuthZ

Medium Free +15 XP

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Authorization

Medium Free +15 XP

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Security least privilege

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Defense in depth

Medium Free +15 XP

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Zero trust principle

Hard Free +20 XP

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Non-repudiation

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Risk

Medium Free +15 XP

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Symmetric crypto

Medium Free +15 XP

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Asymmetric crypto

Medium Free +15 XP

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Hashing

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Hash for passwords

Hard Free +20 XP

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Salt

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TLS purpose

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Digital signature

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Symmetric example

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Asymmetric example

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Certificate authority

Medium Free +15 XP

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Encryption at rest

Medium Free +15 XP

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SQL injection

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SQLi defense

Hard Free +20 XP

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XSS

Medium Free +15 XP

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XSS defense

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CSRF

Medium Free +15 XP

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CSRF defense

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OWASP Top 10

Medium Free +15 XP

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Broken access control

Hard Free +20 XP

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IDOR

Hard Free +20 XP

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SSRF

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Security misconfig

Medium Free +15 XP

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Secrets in code

Hard Free +20 XP

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CSP

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Input validation

Medium Free +15 XP

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Firewall

Easy Free +10 XP

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IDS vs IPS

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VPN

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HTTPS port

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SSH port

Medium Free +15 XP

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DDoS

Medium Free +15 XP

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MITM

Hard Free +20 XP

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Port scanning

Medium Free +15 XP

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Network segmentation

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DNS spoofing

Hard Free +20 XP

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MFA basics

Easy Free +10 XP

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Something you have

Medium Free +15 XP

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SSO

Medium Free +15 XP

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Security RBAC

Medium Free +15 XP

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Privilege escalation

Hard Free +20 XP

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Password policy

Easy Free +10 XP

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OAuth vs OIDC

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JWT

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Phishing

Easy Free +10 XP

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Ransomware

Medium Free +15 XP

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Malware types

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Trojan

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Zero-day

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Patch management

Medium Free +15 XP

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Backups + 3-2-1

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Logging + SIEM

Medium Free +15 XP

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Incident response

Medium Free +15 XP

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