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: 234a45e28f9ac99c77dd713b9e7387a357086e3fc547a3d77bbe443c02e8acd1