Operating Systems/Linux/Ubuntu/Ubuntu 16.04 LTS

Checklist

• Read the README (DO NOT DO ANYTHING UNTIL YOU READ THE README)
• Answer the Forensics Questions (DO NOT DELETE ANY FILES THAT ARE USED IN THE FORENSICS QUESTIONS)
• Activate Important Security Updates
• Check to Make Sure Daily Updates are Active
• Install and Enable Firewall (gufw package)
• Scan the Computer for Malware
• Remove Unauthorized Users
• Add Authorized Users
• Assign or Remove Administrator Privileges
• Change Insecure Passwords
• Disable/Remove Unauthorized Services
• Enable Pop-Up Blocker
• Remove Prohibited Files
• Remove Prohibited Software
• Disable SSH Root Login
• Disable IPv4 Port Forwarding
• Fix Insecure File Permissions
• Ensure that Sudo Requires Authentication
• Configure Password Settings Securely (Look in the Security Policy Category for details)

Categories

• User Account Management
• Firewalls
• Services
• Updates
• Bad Passwords
• Prohibited Stuffs
• Program Settings
• Security Policy