Home Computer Security Checklist
Our concise checklist contains a plethora of tips on securing a computer. Make sure your computer has all of the pertinent things listed below and read the details.
This is an abridged list of computer security tips. Each section has a link to comprehensive details about each of the suggestions.
Table of Contents
- Antispyware - Tips on setting up and using antispyware software
- Antivirus - Tips on setting up and using antivirus software
- Backups - Tips on backing up your computer
- Email - Email security tips
- Firewalls - Hardware and software firewall tips
- Laptops - Physical - protecting your laptop
- Laptops - Wireless - protecting your laptop's internet connection
- Operating Systems - Tips on operating system security
- Parental Control - Help kids stay safe online
- Passwords - Tips on creating and using passwords
- Pharming
- Phishing - Prevent phishing scams
- Privacy Online - Online privacy tips
- Security Monitor - Security monitor tips
- Stop Spam - Tips on reducing spam email
- Updates - Computer update tips
- Wireless - Tips on setting up and using a secure wireless connection.
Antispyware
- Read in-depth about antispyware protection tips.
- Install an antispyware program.
- Get the latest antispyware updates.
- Perform a full system scan.
- Configure your antispyware program to automatically download updates.
- Make sure your antispyware program is updating itself.
- Don't login as admin for everyday computing. Login as a user.
Antivirus
- Read in-depth about antivirus security tips
- Install an antivirus program.
- Get the latest virus update.
- Perform a full system scan every week.
- Make sure your antivirus program automatically updates itself frequently.
- Make sure your antivirus program is updating itself.
- Make sure your emails are being scanned for viruses.
- If you download a program from the internet, even from a trusted site, scan it with your antivirus program. Usually you can right-click on it and run your antivirus scanner.
Backups
- Read in-depth about computer backup strategies
- Be sure to encrypt your backups in case they are stolen.
- Store your backups away from your home/home office.
- Read in-depth about email security tips
- Set your antivirus program to scan emails and attachments.
- Turn off the preview pane.
- Download and apply the latest updates to your email program. They may contain security updates.
- View attachments safely.
- Think twice before setting automated responses.
Firewalls
Software Firewalls
- Read about software firewalls and detailed tips.
- Install a software firewall on every computer.
- Use a firewall that monitors incoming and outgoing traffic.
- Make sure the firewall is configured correctly.
- Use a 3rd party firewall rather than Window's firewall.
- Keep your firewall updated with the latest security fixes.
- Make sure only *one* firewall is running (don't forget to turn off Windows firewall when you install another one)
Hardware Firewalls
- Read in-depth hardware firewall setup tips.
- Update the router to the latest firmware version. And keep it updated.
- Enable stateful packet inspection (SPI).
- Disable ping (ICMP) response on WAN port.
- Disable UPnP (universal plug-and-play).
- Disable IDENT (port 113).
- Disable remote management of the router.
- Change the default administrator password.
- If your router has wireless capabilities and you are not using them, disable the wireless option.
Laptops - Physical
- Comprehensive article on laptop security tips and recommendations.
- Secure your laptop, especially when traveling.
- Lock your laptop in a filing cabinet, docking station, or other secure place when going home from the office. Many thefts occur after hours or at lunchtime.
- Watch out in airports, especially at the security checkpoints.
- Carry your laptop in a nondescript unit such as a briefcase.
- Watch out for diversions. A laptop thief may be lurking nearby.
- Conspicuously label the laptop with the owner (like the business or an asset tag).
- Keep your laptop in a hotel safe (get a receipt) or lock it in your suitcase.
- Fill out the manufacturer's warranty card and send it in. A thief may send in a laptop to get repaired.
- Disable the infrared port while out so someone cannot access your files.
- Modify your laptop so that the last username used to log on is not displayed in the logon dialog box.
- Don't put your laptop in checked luggage.
- Use a padded carrying case for your laptop.
Laptops - Wireless
- Read the details about wireless internet security
- Disable file sharing.
- Beware the fake hotspot (evil twin).
- Watch out for someone looking over your shoulder.
- Watch out for someone using a camera phone.
- Use VPN to secure your wireless transmissions.
Operating Systems
- Read about Windows operating system security details.
- Windows
- Update windows operating system using Windows update.
- Turn on "showing file extensions" in Windows Explorer.
- Windows XP
- Disable or rename administrator account.
Parental Control
- If you have children you may want to install parental control software.
Passwords
- Read in-depth about creating the best password.
- Password your computer accounts.
- Choose strong passwords.
- Do not store passwords or sensitive personal information on your computer.
- Do not use the same password for many accounts.
- Use temporary passwords when using a public computer.
Pharming
- Read in-depth about pharming prevention.
- Be very careful when typing in links in your browser.
Phishing Scams
- Read about phishing scams and detailed tips.
- Make sure site is secure before entering personal information.
- Be very careful when clicking on links in an email.
- Do not enter private information or login using a popup window.
- Do not respond to emails that ask for private information.
- Watch out for suspicious emails.
- Login to your accounts regularly and make sure nothing is amiss.
Privacy Online
- Read in depth about computer privacy.
- Use a program to erase your tracks.
- Instant messenger programs are *not* secure. Whatever is typed in goes through a public server and it is not encrypted.
- Make sure you are using a secure connection when making internet purchases.
- Consider browsing the web anonymously.
Security Monitor
- Read in-depth about security monitors and how they can help you.
- Use a security monitor to alert you when your protection is disabled or out of date.
Stop Spam
- Read about how to stop spam and see detailed tips.
- Install antispam software.
- Do not put your email address on your website unless it is encrypted.
- Use a separate email when posting to newsgroups and forums.
- Use an email filter.
- (Website owners) Be wary of using the challenge/response method.
Updates
- Read in-depth about keeping your computer up-to-date.
- Make sure your computer has the latest updates - especially security updates.
- Make sure your computer's bios is the latest version.
- After a long hiatus from your computer, manually launch Windows update instead of waiting for automatic updates to kick in.
Wireless
Access Point Setup
- Read in-depth about wireless access point tips
- Make sure your access point has the latest firmware.
- Disable SSID broadcast.
- Change the default SSID.
- Enable the strongest security that the devices connected will support.
- Set up wireless MAC filtering.