- Back up your computer systems
- Install anti-virus software
- Update your anti-virus signatures
- Install operating system patches
- Install the latest version of Adobe Reader
- Switch from Adobe Reader to FoxIT for PDF files
- Install the latest version of Flash from Adobe (but not from anywhere else)
- Never download software from unknown web sites claiming to be Flash updates, Adobe Reader software, etc
- Don’t click on links in emails – copy and paste the URL in your browser instead
- Install anti-spyware software
- Install a personal firewall
- Implement encryption on your wireless router (preferably WPA or WPA2)
- Implement disk encryption for your laptop
- Create an encrypted folder for sensitive data
- Buy a lock for your laptop computer
- Use Firefox instead of Internet Explorer
- Use Thunderbird instead of Outlook Express
- Install the Noscript plugin in Firefox
- Use strong, hard-to-crack, passwords
- Switch to Linux or a Mac for your business
- Verify your credit card payment application is PCI PA-DSS compliant
- Verify you are not storing any PCI-prohibited data (e.g., magnetic stripe , CVV codes, track data etc)
- Talk to your insurance broker about your coverage for damage due to a computer intrusion (liability, business interruption, recovery costs)
- Don’t send sensitive data unencrypted in e-mail messages or over instant messengers
- Use a password manager like Keepass to store your passwords
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