Top 10 Security Tips for your PC 1. Use "anti-virus software" and keep it updated. Make sure you have anti-virus software on your computer! Antivirus software is designed to protect you and your computer against known viruses, so no need to worry. But with new viruses emerging daily programs, antivirus need regular updates, like annual flu vaccines to recognize these new viruses. Be sure to update your antivirus software regularly! Most of the time is kept up to date, say, once a week, the better. See the website of the company anti-virus software to see some sample descriptions of viruses and to get regular software updates. Stop viruses in their tracks! 2 . Do not open emails or attachments from unknown sources. Be suspicious of any email attachment unexpected, even if they appear to come from someone you know. A simple rule is that if you do not know the person you are sending an email, be very careful when opening email and attachments. If you receive a suspicious ema...