1.cisa (certified information systems auditor) certification was initiated by ISACA (information systems audit and control association), which is a symbol of achievements in the professional field of information systems audit, control and security. CISA certification is applicable to enterprise information system managers, IT managers, IT auditors or information consultants, information security providers or service providers, and other people interested in information system auditing. 2.CISA- China Iron and Steel Industry Association (China Iron and Steel &; Short for steel components).