cybersecurity101.net

Cybersecurity Learning Path

Fundamentals of Cybersecurity

Core ideas for beginners: security goals, risks, threats, vulnerabilities, controls, and attack surfaces.

Outcome Build the vocabulary and mental models used by every later topic.
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Core systems Packets

Network Security

TCP/IP, firewalls, VPNs, IDS/IPS, segmentation, wireless security, and defensive monitoring.

Outcome Understand traffic, segmentation, VPNs, firewalls, IDS/IPS, and wireless defense.
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Core systems Hosts

Operating Systems Hardening

Linux and Windows hardening, permissions, audit logging, service reduction, and secure baselines.

Outcome Reduce system risk through baselines, permissions, logging, and service hardening.
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Build safely Software

Application Security

OWASP risks, secure coding, input validation, API security, authentication, and testing practices.

Outcome Recognize application risk across OWASP, APIs, authentication, and secure coding.
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Understand threats Threats

Malware & Threats

Malware families, ransomware, threat actors, indicators of compromise, and defensive analysis.

Outcome Read malware behavior, threat actors, ransomware patterns, and indicators of compromise.
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Control access Identity

Identity & Access Control

Authentication, MFA, authorization, privilege, credential handling, SSO, and account recovery.

Outcome Design identity, MFA, privilege, SSO, credentials, and account recovery controls.
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Operate security Response

Incident Response

Preparation, detection, containment, forensics, recovery, and post-incident improvement.

Outcome Move from detection to containment, forensics, recovery, and post-incident learning.
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Lead programs Governance

Governance & Compliance

Policies, risk management, GDPR, NIS2, audits, breach notification, and operational accountability.

Outcome Connect risk, policy, audits, GDPR, NIS2, and breach notification to real operations.
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Glossary

Random definitions, every visit

850 cybersecurity terms across 26 letters. Each reload surfaces a fresh sample — a quick way to learn something you didn't know you needed.

Browse the full glossary