How can a company ensure the security and performance of its information systems, while having a better understanding of its operation? He needs to do an audit.

If the approach is unpopular, it has many advantages.

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The benefits of a network audit

Outraged performance increase of your network, the audit must also optimize the security of your computer equipment in identifying possible weak points in your network architecture.

A analysis of the impact on your production in the event of an incident will also be conducted, and a action plan will improve your network not only in the immediate term, but also in the medium and long term.

The possible security vulnerabilities will be detected and corrected and the updates required will be made. Eventually managing your system will be less time-consuming, making you gain in productivity. Finally, an audit will allow you to put yourself in compliance with legislation in force.

Why audit information systems?

The purpose of the audit of your information systems is to analyze the operation of your installation and its management method. It is preferable for this to rely on professionals who will be able to accompany you throughout the process.

1. A preventive measure

[Tweet « Mieux vaut prévenir que guérir : un audit doit se faire quand tout va bien, et pas quand les problèmes commencent à apparaître. »]

This is a preventive measure, yet companies wait for a problem to appear to carry out an audit. Precisely, an audit of information systems is there to avoid data loss, prevent an attack by hackers or prevent a breakdown.

Audit professionals will flush out flaws and problems, and can tell you how to set up troubleshooting and maintenance procedures.

2. To enhance security

The security of your information system is essential if only to bring you into compliance with current regulations and laws.

You are also required to respect the commitment made to your customers, employees and partners concerning the protection of their personal data: by carrying out an audit, you will be able to implement best practices, after taking stock of the security of your network and the data it contains.

3. The starting point for improving your information systems

Do you want to adapt your information systems to adapt them to the needs of your company? You need an audit in order to better define the objectives, and to identify which new tools you will have to install.

Without an audit, you won’t know what changes to make to adapt your system to market and business requirements.

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The stages of an information systems audit

Now that we have defined the importance of an audit of your information systems, we are going to list the steps.

1. Provide a framework for the audit

First, you need to determine your business needs. To begin with, an interview with the employee(s) who are responsible for the company’s IS management will serve to identify needs and list the different uses you have of information systems.

It will then be necessary to discuss the possible problems that the company faces.

2. Analyze the company’s network infrastructure

The IS expert in charge of detecting the weaknesses of your system needs an image of it. It is therefore necessary to carry out an inventory which will serve as a starting point for the improvement of your infrastructure.

It is only then that the expert will identify areas for improvement and the actions to be implemented to obtain a more efficient, better secure and finally more economical system.

3. Test your computer system

The IS expert will need to test your system if they want to identify security and performance issues. Different aspects of your system can be scrutinized:

  • a safety test
  • an attempted break-in
  • a load test
  • a fault simulation

4. Write a report

The realization of an audit materializes through a report including the various analyzes and observations which appeared during the audit.

First of all, the report must list all the problems observed. He will then present a series of recommendations aimed at improving the network. Specifications including concrete projects with a view to applying the recommendations can also be drafted.

These measures must be classified according to the gain in performance and safety. The general action plan must assess the financial and human aspects necessary to implement all these improvements.

Read also: How to do an IT audit?

Conclusion

Auditing is useful for checking and improving what already exists. An audit makes it possible to highlight what does not work but also what works in your company. Do not be afraid to do an audit because it is the best way to know where you are.

If you notice an unexplained drop in your productivity, the audit allows you to understand what is happening and gives the keys to remedying it.

Did you know ?

You can outsource the audit of your information system. Post your project on Codeur.com to receive quotes from experts.

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