2. Information system methodologies
This chapter presents the different methods that can be used to build less vulnerable information systems, and differentiates between analysis-based and process-based methods.
2.1 Cybersecurity challenges and objectives
Information systems (IS) play an increasingly important role in business. Information is a strategic resource used in all decision-making processes: financial value, industrial, commercial, marketing or financial know-how, strategic or operational management. The IT resources that manage this information enable the company to improve its competitiveness, but at the same time they pose the problem of maintaining availability (D), integrity ( I ), evidence and confidentiality (C) of exchanged data.
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Information system methodologies
Risk reduction actions
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