Assuring the business continuity is very important for all organizations, no matter the size or their area of activity. A recent study shows that nearly 1 of 5 businesses suffers a major disruption every year, so the business continuity management has become a vital component of corporate governance. Business continuity management is a process that identifies potential impacts that threaten an organization and provides a framework to ensure the resilience of the business in case of a disruption, to help ensure continuity of service to the key customers and the protection of the brand, reputation and value-creating activities. Business continuity management is an integrated approach to business continuity planning, emergency response, and crisis management. The paper presents the importance of understanding the vulnerabilities of a business, and the necessity of assuring the information systems security in order to maintain the business continuity.