Auditors have the task of making sure that they do IT network audits to ensure it remains safe from attack and unauthorized access. Security has to be ensured to maintain access. When they are carrying out their duties, they have certain things that they absolutely have to get right.
They need to establish its actual extent. There is always a diagram that is drawn by whoever sets up the system itself. In most cases, unfortunately, it is never really accurate. As a firm expands, changes occur and a problem eventually arises if the changes are not properly recorded and integrated into the old diagram.
The next step is to find out what the main assets within the network are. This involves finding what the proper services, systems and assets are, and security them properly. If they are not well shielded, they remain vulnerable to attacks that could cripple the system. The important things to secure are mail servers, internal applications and ERPs.
They also must determine all the people that have access. They must find out what part is accessed by employees and who the rest of the access goes to. They also should find out whether customers or vendors get any access, and the extent to which they can access. All these have an impact to the security of a system.
Although it is often done when studying the diagram, it is very important to find the right connections to external networks. Treating this separately is vital because external access to a system is the leading cause of system glitches and security threats. Most basic networks have the internet as their primary external link.
Protection mechanisms must also be identified and adjusted to suit all the needs of the business. When all these elements are combined, they can be used to create good networks. IT network audits help to save the firm from potential losses, so they must not be take lightly.
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