Material corrosion represents a significant financial burden for industries due to the costs associated with downtime, maintenance, and equipment replacement. Additionally, corrosion poses major safety risks by weakening materials and infrastructure. Understanding this phenomenon and its causes is therefore essential to prevent it and mitigate its consequences. This module is designed to meet the key needs of engineers and managers in production units facing issues related to material and product degradation caused by corrosion. It introduces the main techniques for identifying, analyzing, and combating corrosion.