Introduction Next illustrations shows sample screenshots from Inernet Banking System implementations (called also HomeBank) in two Bulgarian banks: Hebros Bank and ProCredit Bank. The Internet Banking system offers opportunity to the clients of the bank to operate with their accounts directly from the office. The most frequently used operations with clients accounts are included in it – payment order, initiation of collection of payments, response to collection, buy/sell of currency, orders for withdrawal at cash-desk / this is used when the bank requires advance notice for withdrawal of sums bigger than the specified amount/, check ups for movements and accounts balances, received and issued transfers for a certain period, currency quotations etc. For each account a number of electronic signatures and the combination of both are defined with the purpose of considering the banker’s order to be valid. This together with the several levels of authorization / insertion of documents, right of successive signature/ gives the opportunity for complete reproduction of the organizational structure of the client. The level of security is extremely high. Digital certificates are used which provide best protection of information from an illegal access.