“Login approval” can prevent unauthorized access to your Facebook account. When you sign up to facebook, you will be prompted to enter a security code number.
To enable logon notification, click on “Account” and “Account Settings” on Facebook. Select the “Security Account” and enter a check mark “Login notification”.
Immediately, Facebook also introduced a protection link. A friend of the message should will preventing you from spam or fraudulent sites. For this purpose, people working with “Web of trust”. Offer online services collects suspicious and put it on the index. If you click on a URL that points to one of these pages indexed, a warning appears and access blocked. In addition, Facebook is built on its own warning system. This will tell you if you just try to click on suspicious content. Only after explicit confirmation, Facebook will release the link.