How to be IT Auditor , what certificates will give me the proper information to hold this position effectively?

CISA is one of the most well known certificates in the world for IT Auditing, it will teach you everything thats necessary in Auditing a company. Ranging from Business Continuity and Disaster Relief to securing all layers of communication. Assessing risks, the most probable, the most dangerous. How to stop and/or mitigate those risks.

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Certified Information System Auditor -  CISA

An IT audit involves the analysis of an organization's information technology structure, operations, and software programs