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It is very important to safeguard your computer and protect your privacy while surfing the Internet. What can you do to prevent cybercriminals from getting hold of your personal data? How do you safely use the Internet without contracting viruses on your computer? How do you make sure it is safe to shop online or do your Internet banking?In this book we explain how to protect your computer from viruses and spyware. We also discuss some of the measures you can take when browsing the Internet or sending and receiving email. It is also very important that you create regular backups of your computer. A backup copy will protect you from losing your valuable personal files and photos in case your computer crashes. The last topic in this step-by-step book is maintenance.