The Revizium company specializes in treatment and protection of the websites against cracking. Since 2008 specialists Revizuim booked several thousands of security audits of the websites and servers, protected the websites of hundreds of companies from the web attacks. Revizium makes a contribution to development of a segment of security of the websites in Russia and the CIS countries. Among the known free services of the company the AI-BOLIT scanner which checks files of the website looks for viruses and harmful scripts on a hosting, shows the known critical vulnerabilities in the website engine, and the ReScan.pro web scanner which checks pages of the website for viruses, unfair advertizing, dangerous widgets, the hidden redirects and sanctions from search systems.