- Security Checklist
- This is the "help I didn't read any information and didn't prepare so now I'm going in completely blind" guide
- OS Info
- Checking OS information
- Passwords
- Users
- Groups
- Sudo
- Updates and installs
- Binaries
- Crontab and automated tasks
- Misc.
- .bashrc
- /tmp
- env
- SUID/SGID
- World-writable files
- Filename whitespace detector
- Services
- Enable/disable services
- Common services
- Web
- SSH
- DNS
- Mail
- Telnet
- SMB
- FTP
- Ports based on service
- Service files
- Hardening
- General hardening
- Service Hardening
- IPTables/Firewall
- Fail2Ban IP Lockouts
- Backups
- Logging
- Application logs
- Set up auditd logging
- Ausearch
- Incident Response
- Network connections
- Process Information
- Log analysis
- Linux Command Cheat sheet
- Basic Commands
- Linux Operators
- File Management
- User Management
- Networking
- Devices
- Basic Shell Scripting
- Important Files and Directories