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An information security audit occurs when a technology team conducts an organizational review to ensure that the correct and most up-to-date processes and infrastructure are being applied. An audit also includes a series of tests that guarantee that information security meets all expectations and requirements within an organization. During this process, employees are interviewed regarding security roles and other relevant details.
Every organization should perform routine security audits to ensure that data and assets are protected. First, the audit’s scope should be decided and include all company assets related to information security, including computer equipment, phones, network, email, data and any access-related items, such as cards, tokens and passwords. Then, past and potential future asset threats must be reviewed. Anyone in the information security field should stay apprised of new trends, as well as security measures taken by other companies. Next, the auditing team should estimate the amount of destruction that could transpire under threatening conditions. There should be an established plan and controls for maintaining business operations after a threat has occurred, which is called an intrusion prevention system.
In the audit process, evaluating and implementing business needs are top priorities. The SANS Institute offers an excellent checklist for audit purposes.