You can start with the basics. Having a password on your computer account is a good first step, but only offers minimal protection. Ensuring that your password is actually effective if a thief gets your computer is the next step.
Travel security used to mean stashing your cash in a money belt. With the wide acceptance of credit cards, that inconvenience is mostly gone — replaced, due to the rise of cybercrime and identity theft, with the need to secure your data when traveling. Unfortunately, it is a lot trickier than most people realize to protect your personal information when you use your computer on the road.