A chief security officer (CSO) is a corporation's top executive who is responsible for security. While originally used by information security professionals, the term is sometimes given to the person in charge of physical security. As a result, information technology security executives now sometimes take the title of Chief Information Security Officer (CISO) to differentiate the positions. Corporate redirects here. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Information security deals with several different trust aspects of information. ... Physical security describes measures that prevent or deter attackers from accessing a facility, resource, or information stored on physical media. ... A Chief Information Security Officer or CISO, is a job role that focuses on information security strategy within an organization. ...