The protection of both company internet site applications and servers has become a basic aspect of the protection in companies. Break-ins into internet applications are rising drastically every year, in majority they refer to company and government websites. Break-ins into internet applications and websites attacks are 74 % of treats. Majority of companies protect their own webs forgetting their internet applications, which are continuously prone to internet threats. Internet applications often have access to company databases and other important information, which sometimes are poorly protected and can be easy targets for hackers’ attacks. Arko-Security was created to protect and detect such problems. Our international team consists of the highest class specialists and performs mainly companies, governmental and nongovernmental offices computer systems audits. There are also 2 big companies providing VISA credit cards payments among our customers. Another area of our activity is production of websites security testing software, and beta version testing before its release.