The needs of the commercial market in the field of digital processing, are much larger than those provided by most tools. Economic growth enforces business processes to be easier and faster with the use of the Internet. The electronic signature as a way to secure only the document and not the whole digital service will not meet the demands of the market. The newly implemented electronic signature must provide security mechanisms for all business processes. This paper provides a general overview of Cloud of Trust - a framework for providing security services for a variety of electronic transactions.