DIY Security Checklist for Your Home Computer

You don't need to be a tech expert to secure your home computer. Follow this checklist from our Fort Myers computer security team to protect yourself from common threats.

Operating System Security

Windows Security

• ☐ Ensure Windows is up to date (Settings > Update & Security)
• ☐ Enable Windows Security (built-in antivirus)
• ☐ Turn on Windows Firewall
• ☐ Enable ransomware protection (Controlled Folder Access)
• ☐ Set up a standard user account for daily use (not Admin)
• ☐ Enable BitLocker drive encryption (Windows Pro)

Mac Security

• ☐ Keep macOS updated (System Preferences > Software Update)
• ☐ Enable FileVault disk encryption
• ☐ Turn on the firewall (System Preferences > Security & Privacy)
• ☐ Only allow apps from App Store and identified developers
• ☐ Review Privacy permissions for apps

Software Updates

Enable Automatic Updates

Keep everything updated to patch security vulnerabilities:

• ☐ Operating system automatic updates enabled
• ☐ Browser auto-updates enabled (Chrome, Firefox, Edge)
• ☐ Microsoft Office updates enabled
• ☐ Adobe products updated (Reader, Flash removed)
• ☐ Java removed or updated (if needed)

Remove Unnecessary Software

• ☐ Uninstall programs you don't use
• ☐ Remove old browser extensions
• ☐ Clean up startup programs

Password Security

Strong Password Practices

• ☐ Use unique passwords for every account
• ☐ Passwords are at least 12 characters
• ☐ Include mix of letters, numbers, symbols
• ☐ Or use passphrases (easier to remember, harder to crack)

Password Management

• ☐ Use a password manager (Bitwarden, 1Password, LastPass)
• ☐ Enable two-factor authentication on important accounts
• ☐ Don't save passwords in browser (use password manager instead)
• ☐ Never share passwords via email or text

Priority Accounts to Secure

• ☐ Email (primary target for hackers)
• ☐ Banking and financial
• ☐ Social media
• ☐ Cloud storage
• ☐ Shopping accounts

Network Security

WiFi Security

• ☐ Change router default password
• ☐ Use WPA3 or WPA2 encryption (not WEP)
• ☐ Create a strong WiFi password
• ☐ Disable WPS (WiFi Protected Setup)
• ☐ Update router firmware
• ☐ Consider a guest network for visitors

Public WiFi Safety

• ☐ Use a VPN on public networks
• ☐ Avoid accessing sensitive accounts on public WiFi
• ☐ Turn off auto-connect to open networks

Backup Security

• ☐ Backup important files regularly
• ☐ Use both local and cloud backup
• ☐ Test backup restoration occasionally
• ☐ Keep at least one backup disconnected

Browser Security

• ☐ Use a reputable browser (Chrome, Firefox, Edge)
• ☐ Install an ad blocker (uBlock Origin recommended)
• ☐ Review and remove unused extensions
• ☐ Clear browsing data periodically
• ☐ Enable "Do Not Track" setting

Physical Security

• ☐ Set up screen lock with password/PIN
• ☐ Enable auto-lock after inactivity
• ☐ Lock computer when stepping away
• ☐ Keep devices in secure locations

Need help implementing any of these security measures? RONET Computer Repair in Fort Myers offers security audit services for home users. We'll assess your setup and help you address vulnerabilities. Contact us for a personalized security consultation.