CSOonline.com: This critically acclaimed website is the premier resource for enterprise security decision-makers.

A chief sales officer (CSO) is the senior corporate executive responsible for leading and managing the sales function inside a company.

CSO Online, an online publication (Computer Security Online)

CISOs are responsible for tasks such as designing and implementing an organization's security program, working with outside security vendors, training employees on security practices, and so forth. CSOs, or Chief Security Officers, are responsible for securing people, products, and processes.