You are responsible for the confidentiality of your login and password and for the security of your computer system. Valve is not responsible for the use of your password and Account or for all of the communication and activity on Steam that results from use of your login name and password by you, or by any person to whom you may have intentionally or by negligence disclosed your login and/or password in violation of this confidentiality provision. Unless it results from Valve’s negligence or fault, Valve is not responsible for the use of your Account by a person who fraudulently used your login and password without your permission.