One of the most common forms of web page security that aims to keep legit users in and intruders out for no good out. They can come in many forms and types such as the “Remember Me” check box that eliminates repetitive data entry for login information which most web pages use. Secret questions and password strength checks is another way of delivering proper security to the page’s standards.
One issue that is being extremely developed is to prevent denial of service attacks through rapid fire login’s that aim’s to break the security of a page and last is to use third party web authentication security that lets other people handle the dirty work of screening out legit from.