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Cyber Security · Lessons

Cyber Security lessons

11 sections · 90 skills · work through the full outline skill by skill — read the long-form lesson or flip through the slide-style version.
Long-form lessonsSlide-style lessons

Cyber Security

Practice 90 skills across this outline.

Recommended next
Indicators of Compromise (IOCs)
Foundations and Threat Landscape · Threat Actors and Attack Lifecycle
Long-form lesson
Weighting distribution
20 categories
Vulnerability Management
9%
Cryptography Basics
9%
Identity and Access Management · Authentication and Authorization
6%
Foundations and Threat Landscape · Threat Actors and Attack Lifecycle
5%
Foundations and Threat Landscape · Core Security Principles
5%
Application and Web Security · Common Vulnerability Classes
5%

Skills

The comprehensive taxonomy of cyber security — drill into a card to work its skills.

Foundations and Threat Landscape · Threat Actors and Attack Lifecycle

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
Indicators of Compromise (IOCs)Recommended
Long-form
2
Attack LifecycleAvailable
Long-form
3
Malware CategoriesAvailable
Long-form
4
Threat Actor TypesAvailable
Long-form
5
Social Engineering & PhishingAvailable
Long-form

Foundations and Threat Landscape · Core Security Principles

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
Core Security PrinciplesAvailable
Long-form
2
Control TypesAvailable
Long-form
3
Risk TerminologyAvailable
Long-form
4
CIA TriadAvailable
Long-form
5
AAA (Authentication, Authorization, Accounting)Available
Long-form

Application and Web Security · Common Vulnerability Classes

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
SSRF & Deserialization RisksAvailable
Long-form
2
IDOR & MitigationsAvailable
Long-form
3
XSS & MitigationsAvailable
Long-form
4
SQL Injection & MitigationsAvailable
Long-form
5
CSRF & MitigationsAvailable
Long-form

Application and Web Security · Web Application Security Fundamentals

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
Web App Auth PitfallsAvailable
Long-form
2
Secure File Upload & StorageAvailable
Long-form
3
Secure Session ManagementAvailable
Long-form
4
Input Validation & Output EncodingAvailable
Long-form
5
Client-Server Trust BoundariesAvailable
Long-form

Security Tools and Hands-on Skills · Core Tools

4 core skills5% total weight
0/4 completed
4 skills to mastery
1
Command-Line Networking ToolsAvailable
Long-form
2
Vulnerability Scanning ToolsAvailable
Long-form
3
Password Managers & MFA ToolsAvailable
Long-form
4
Wireshark BasicsAvailable
Long-form

Security Tools and Hands-on Skills · Scripting and Automation for Security

3 core skills4% total weight
0/3 completed
3 skills to mastery
1
Log Parsing ScriptsAvailable
Long-form
2
Automating Security ChecksAvailable
Long-form
3
Safe Data Handling in ScriptsAvailable
Long-form

Governance, Risk, and Compliance · Privacy and Legal/Ethical Considerations

4 core skills5% total weight
0/4 completed
4 skills to mastery
1
Security Testing EthicsAvailable
Long-form
2
Data Classification & HandlingAvailable
Long-form
3
Compliance MotivationsAvailable
Long-form
4
Privacy PrinciplesAvailable
Long-form

Governance, Risk, and Compliance · Risk and Policy

4 core skills5% total weight
0/4 completed
4 skills to mastery
1
Security Policies & StandardsAvailable
Long-form
2
Security Awareness TrainingAvailable
Long-form
3
Risk AssessmentAvailable
Long-form
4
Business Continuity & Disaster RecoveryAvailable
Long-form

Cloud and Modern Infrastructure Security · Cloud Security Concepts

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
Cloud MisconfigurationsAvailable
Long-form
2
Cloud IAM PoliciesAvailable
Long-form
3
Cloud EncryptionAvailable
Long-form
4
Cloud Network ControlsAvailable
Long-form
5
Shared Responsibility ModelAvailable
Long-form

Cloud and Modern Infrastructure Security · Containers and DevOps Security

4 core skills4% total weight
0/4 completed
4 skills to mastery
1
Container Security & IsolationAvailable
Long-form
2
Secrets ManagementAvailable
Long-form
3
CI/CD SecurityAvailable
Long-form
4
Image Provenance & DependenciesAvailable
Long-form

Vulnerability Management

5 core skills9% total weight
0/5 completed
5 skills to mastery
1
CVE/CVSS ScoringAvailable
Long-form
2
Compensating ControlsAvailable
Long-form
3
Patch ManagementAvailable
Long-form
4
Vuln Scanning vs. Pen TestingAvailable
Long-form
5
Vulnerability PrioritizationAvailable
Long-form

Identity and Access Management · IAM Operations

3 core skills3% total weight
0/3 completed
3 skills to mastery
1
Designing Least-Privilege PoliciesAvailable
Long-form
2
IAM Failure ModesAvailable
Long-form
3
Account Lifecycle ManagementAvailable
Long-form

Identity and Access Management · Authentication and Authorization

5 core skills6% total weight
0/5 completed
5 skills to mastery
1
RBAC vs. ABACAvailable
Long-form
2
Session ManagementAvailable
Long-form
3
Password StorageAvailable
Long-form
4
SSO & FederationAvailable
Long-form
5
Authentication Factors & MFAAvailable
Long-form

Cryptography Basics

5 core skills9% total weight
0/5 completed
5 skills to mastery
1
Encryption, Hashing & EncodingAvailable
Long-form
2
Symmetric vs. Asymmetric EncryptionAvailable
Long-form
3
TLS/HTTPSAvailable
Long-form
4
Digital Signatures & IntegrityAvailable
Long-form
5
Key ManagementAvailable
Long-form

Networking and Internet Security · Network Basics for Security

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
NATAvailable
Long-form
2
IP Addressing & RoutingAvailable
Long-form
3
Ports & Common ProtocolsAvailable
Long-form
4
Network Diagrams & Data FlowsAvailable
Long-form
5
LAN/WAN/VPNAvailable
Long-form

Networking and Internet Security · Network Defense Controls

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
IDS vs. IPSAvailable
Long-form
2
Secure Remote AccessAvailable
Long-form
3
Network SegmentationAvailable
Long-form
4
Network Attack PatternsAvailable
Long-form
5
FirewallsAvailable
Long-form

Security Operations and Monitoring · Logging and Detection

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
Threat IntelligenceAvailable
Long-form
2
SIEMAvailable
Long-form
3
Detection TuningAvailable
Long-form
4
Log Interpretation & CorrelationAvailable
Long-form
5
Security LoggingAvailable
Long-form

Security Operations and Monitoring · Incident Response

4 core skills4% total weight
0/4 completed
4 skills to mastery
1
Post-Incident ActionsAvailable
Long-form
2
Incident Response PhasesAvailable
Long-form
3
Incident Timeline CreationAvailable
Long-form
4
Containment StrategiesAvailable
Long-form

Systems and Endpoint Security · Windows and Linux Security

4 core skills4% total weight
0/4 completed
4 skills to mastery
1
Endpoint Persistence MechanismsAvailable
Long-form
2
Linux Permissions & sudoAvailable
Long-form
3
Windows Authentication & ControlsAvailable
Long-form
4
Anti-Malware & AllowlistingAvailable
Long-form

Systems and Endpoint Security · OS Concepts and Hardening

5 core skills5% total weight
0/5 completed
5 skills to mastery
1
Secure Configuration & HardeningAvailable
Long-form
2
Endpoint LoggingAvailable
Long-form
3
Endpoint Detection & Response (EDR)Available
Long-form
4
User & File System PrivilegesAvailable
Long-form
5
Process Isolation & PatchingAvailable
Long-form