http://help.salesforce.com/help/pdfs/en/salesforce_security_impl_guide.pdf
Audit Name: TNS Salesforce Best Practices Audit v1.2.0
Category: IDENTIFICATION AND AUTHENTICATION
References: 800-53|IA-5(1)(d)
Plugin: Salesforce.com
Control ID: c224e975fe9df69444a6f8dbdb93215a1a9179181e089d23aa63f50a69c876c6