input: [Category of use] Security [Example] 
output: We use security cookies to authenticate users, prevent fraudulent use of login credentials, and protect user data from unauthorized parties. For example, we use cookies called ‘SID’ and ‘HSID’ which contain digitally signed and encrypted records of a user’s Google account ID and most recent sign-in time. The combination of these two cookies allows us to block many types of attack, such as attempts to steal the content of forms that you complete on web pages.