Depends on many things, but key logger, phishing, forum steelier or man in the middle. Those would be the essayist attacks to preform to get someones email or other accounts.
-ᗪᗴᗩ♈ᖺᙡᓮᔕᖺ,
"Time to get my hack on" - Sum Cool Haxor
"Time to get my hack on" - Sum Cool Haxor