Abstract
E-business offers huge opportunities, but his conduct involves a serious threat. Numerous studies have shown that internet fraud is one of the fastest growing types of crime and the losses caused by this practice are billions of dollars annually. Purpose of this article is to introduce the basic principles of security policy in communication and information systems for e-business. The article presents the main types and sources of threats to information and information systems, and how to protect your software and personal data, for example, companies with Europe-wide operations. Pointed out ways to implement best practices that help to prevent any hazards. The domestic market for e-commerce is the fastest-growing sector of the trade. The fact is that the percentage of shops and online shopping is growing faster than the number of Internet users in Poland. In order to maintain the current pace of development of e-commerce, however, is to build public confidence in the form of exchange of goods and services. This cannot be achieved without ensuring maximum safety in all processes related to e-shopping.