what does a certified information systems auditor do 
a cisa oversees manages and protects a company s information systems it or related departments this includes performing audits of processes and products performing risk mitigation techniques to prevent security breaches and collaborating with other departments to ensure their technology needs are being met without comprising security or creating system vulnerabilities the bottom linethe certified information systems auditor cisa certificate demonstrates professional proficiency in the field of it security and risk mitigation cisa must have years of professional experience and pass a 150 question exam to demonstrate this knowledge once armed with a cisa license auditors may enjoy greater job security better knowledge of their industry and continual growth through cpe requirements 