Electronic commerce, in recent years, has registered significant ascending dynamics. One of the risks of ele tronic commerce is - money laundering, which is an illegal activity of hiding the origin by criminals of the income that comes from their criminal activities (drug trafficking, arms trafficking, human trafficking, smuggling, corruption, tax evasion, etc.), they are revealed in the form of legal resources that can be used or invested. In this scientific paper the author analyzes the methods of money laundering in e-commerce and the ways how the banks identify and report suspicious activities to the Office for Prevention and Fight Against Money Laundering. A special attention in commercial banks is drawn to the realization of pr venting measures of money laundering, consisting of training the employees, fine tuning the applications, updating the suspic scenarios according to the latest trends from the industry.