In the present conditions, the concept of security takes on a special meaning both in the social and economic aspect. The aim of the work is to indicate the key components affecting safety as well as the areas and elements of improving actions taken in supply chains. Achieving the work goal requires identifying the essence of supply chains and key areas of their security. The paper indicates the key areas affecting the security of supply chains and the elements of improving the actions taken in the management of supply chains. The research method used was the analysis of the literature on the subject of supply chain management and security. In addition, the opinions of specialists and business analysts as well as logistics practitioners were taken into account. One of their key challenges for supply chains, due to their role in the economy, is to ensure continuity and reliability of performed tasks, which is closely related to the concept of security. They relate both to the fulfillment of social needs as well as the goals of economic entities and other organizations. The effects of disruptions may concern both the provision of necessary goods to the population as well as the functioning of the entire economy. Their importance was particularly felt in the functioning of supply chains and individual companies during the disruptions caused by the COVID-19 pandemic, which forced enterprises to make significant and quick decisions in order to minimize them and ensure business continuity. The economic impact of disrupting global supply chains has proven to be very negative for many organizations. Important activities related to possible threats include, among others, the development and implementation of a supply chain risk management strategy and ensuring business continuity, building strong relationships with key suppliers, implementing systems ensuring the visibility of the supply network, and the use of new technologies to reduce the risk associated with operating in unstable business environment, preparation and adaptation to new ways of working to ensure business continuity, analysis of the impact of various elements on the entire supply chain.