Linux Security Guide

Master essential security concepts and tools to protect your Linux system

Security Resources

CIS Benchmarks

Security configuration guidelines

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Linux Security Fundamentals

Book: Learn Linux security

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Essential Security Tools

Lynis

Security Auditing

Security auditing tool

Key Features:

  • System Hardening
  • Vulnerability Scanning

OpenVAS

Security Auditing

Vulnerability scanner

Key Features:

  • Vulnerability Scanning

Security Best Practices

Security Policy Development

Develop a comprehensive security policy

Identify key assets and threats
Define clear security objectives
Establish policies and procedures

Incident Response Planning

Plan for and respond to security incidents

Identify incident types and impacts
Establish incident response team
Implement incident handling procedures

Regular Security Audits

Conduct regular security assessments

Identify security gaps and vulnerabilities
Implement corrective actions
Monitor security posture

Backup and Recovery

Ensure data and system availability

Implement regular backups
Test backup integrity
Establish recovery procedures