However , anonymous open proxies increase the user 's anonymity or security when browsing the web or using other Internet services : a user 's true IP address can be used to help deduce information about that user as part of an attempted computer crack .

Anonymous open proxies will also make the user more anonymous and secure when browsing the web or using other internet services : a user 's true IP address can be used by a hacker to get information from the user 's computer .
