The Polish state emphasises the importance of transforming the industrial society into a modern innovative one. The term information society was adopted in EU official documents in the mid-1990s. The activities of the Polish state undertaken in order to build and develop an information society have a ten-year tradition. A big role in the effectiveness of these activities is played by the sense of a special mission fulfilled by public service and responsibility of public sector employees. The article, from the angle of ethical values, rules of conduct and professionalism, attempts to evaluate the effectiveness of activities undertaken by public administration staff in managing the quality of information published by public sector organizations on the Internet.