Avast Software is a computer security company that specializes in antivirus software. Founded in 1988 in Prague, Czech Republic, the company sells their products worldwide and also operates offices in Germany, Hong Kong, China and the USA. The avast! computer security software collection includes products for both homes and businesses. The antivirus programs are sold in different grades, allowing individuals and companies to choose the amount of protection that is right for their needs and that is the best fit for their budgets. The range of products includes antivirus software for computers, mobile devices and servers, and Avast Software also offers custom security design services for companies.