Skip to content

daedalus/linux-security-audit-tool

Repository files navigation

Linux Security Audit Tool

A comprehensive CLI tool for auditing Linux system security posture.

For all the checks to effectively be done this tool it needs root access.

PyPI Python Coverage Ruff Ask DeepWiki

Install

pip install linux-security-audit-tool

Usage

sudo env "PATH=$PATH" security-audit --help
sudo env "PATH=$PATH" security-audit audit
sudo env "PATH=$PATH" security-audit audit -p 0 -1           # Run specific phases
sudo env "PATH=$PATH" security-audit audit -o report.md      # Save markdown report
sudo env "PATH=$PATH" security-audit audit --quiet           # Summary only
sudo env "PATH=$PATH" security-audit audit --debug           # Show executed commands
sudo env "PATH=$PATH" security-audit audit --remediate-all   # Generate remediation script for all findings
sudo env "PATH=$PATH" security-audit audit --remediate-only-critical  # Generate remediation script for CRITICAL only
sudo env "PATH=$PATH" security-audit audit --remediate-non-critical   # Generate remediation script for non-CRITICAL
sudo env "PATH=$PATH" security-audit audit --pdf report.pdf  # Generate PDF report

CLI

security-audit [OPTIONS] COMMAND [ARGS]...

Options:
  --version  Show the version and exit.
  --help     Show this message and exit.

Commands:
  audit    Run a full security audit.
  version  Show version information.

Audit Command Options

  • --output, -o FILE - Output file for markdown report
  • --phases, -p [0-9] - Specific phases to run (can be repeated)
  • --quiet, -q - Suppress detailed output
  • --verbose, -v - Show descriptions and remediation
  • --debug, -d - Show low-level commands being executed
  • --remediate-all, -r - Generate remediation script for all findings
  • --remediate-only-critical - Generate remediation script for CRITICAL findings only
  • --remediate-non-critical - Generate remediation script for non-CRITICAL findings
  • --remediate-script FILE - Save remediation script to file
  • --pdf FILE - Generate PDF executive report
  • --cache - Enable caching of check results
  • --cache-ttl INTEGER - Cache TTL in seconds (default: 3600)

API

from security_audit import gather_context, run_identity_checks, calculate_security_score
from security_audit.core import Finding, Severity

# Run a full audit
context = gather_context()
findings = run_identity_checks()
score = calculate_security_score(findings)

Audit Phases

The tool performs security checks across 9 phases:

  • Phase 0: Context Gathering (hostname, OS, kernel)
  • Phase 1: Identity & Access Control (users, sudo, SSH)
  • Phase 2: Network Exposure (listening services, firewall, sysctl)
  • Phase 3: File System & Permissions (SUID, world-writable, cron)
  • Phase 4: Process & Service Posture (services, AppArmor, SELinux, rkhunter)
  • Phase 5: Kernel & OS Hardening (sysctl, ASLR, module blacklist)
  • Phase 6: Logging & Monitoring (auditd, logs, syslog)
  • Phase 7: Package & Update Hygiene (updates, repos)
  • Phase 8: Cryptographic Posture (SSH keys, TLS, password hashing)

Development

git clone https://github.com/daedalus/linux-security-audit-tool.git
cd linux-security-audit-tool
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# format markdown
mdformat .

# lint + type check (prospector runs ruff check + mypy + pylint together)
prospector --with-tool ruff --with-tool mypy --with-tool pylint src/
opengrep --config=auto --severity=ERROR src/

# find unused code (vulture reports dead code with 90%+ confidence)
vulture --min-confidence 90 src/

# analyze code complexity (lizard reports cyclomatic complexity, NLOC, etc.)
lizard src/ --CCN 10

# track API impact (impactguard analyzes how staged changes affect public API)
impactguard-check-staged

About

A comprehensive CLI tool for auditing Linux system security posture.

Topics

Resources

License

Contributing

Security policy

Stars

Watchers

Forks

Packages

 
 
 

Contributors