The main aim of this thesis is to explain two forms of electronic banking which are internetbanking and smartbanking. Inform about their security and possible security threats. I focused on internetbanking and smartbanking in the Czech Republic (czech banks). In the theoretical part are explained specifics of internetbanking and smartbanking. Mainly it is about what kind of security threats exist and how accounts of banks can be protected before these threats. In the practical part there is a comparison of internetbanking and smartbanking between the three largest czech banks. The parameters of comparison are security and services offered.Cílem bakalářské práce je podat ucelený pohled na dvě formy přímého elektronického bankovnictví, intern...