5. Conclusion

In conclusion, information systems security is a highly evolving subject, due to the exponential increase in so-called cyber threats, but also to the greater consideration being given to internal risk factors. The 2010 decade has seen a sharp increase in risk for large corporations. The 2020 decade, particularly since the Covid-19 pandemic, but also in a post-Covid environment, means that every company is now concerned by a level of cyber threat considered to be very high. Any company, whatever its sector of activity, size or level of dependence on the information system, will be concerned by malicious intrusion attempts.

The challenge of digital risks, sometimes referred to as ICT risks, is to address security issues in a comprehensive way, by implementing an information security management system that prioritizes the prevention of external or internal threats,...