Security tips for various services
- Activate 2-factor authentication. "if Facebook users make just one security-related change to their account, this should be it." - Product manager på Facebook
- Facebooks security tips
- The 6 Things Everybody Should Do To Secure Their Facebook Account
- Activate 2 step verification. It is the best step you can take for never loosing your account.
- Google saves all your searches. You can check them here and erase them if you want to.
- Read more about your settings on Google