Operating Systems/Linux/Ubuntu/Ubuntu 20.04 LTS
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Checklist[edit | edit source]
- Solve Forensics Questions
- Remove Unauthorized Users
- Add Authorized Users
- Assign Administrator Privileges
- Remove Administrator Privileges
- Change Insecure Passwords(length, age, ctrl alt delete on login, different from last time)
- change at login
- lock out limit and time
- Enable Firewall Protection (ufw)
- Disable/Remove Unauthorized Services
- Enable Daily Checks for Updates
- Install Security Updates
- Enable Pop-Up Blocker
- Remove Prohibited Files
- Remove Prohibited Software
- Listening ports
- check backdoors