F-Secure, previously known under the firm name Data Fellows, is a Finish security firm that develops antivirus programmes and security solutions for both private as well as professional users. F-Secure is represented in over 100 countries with local departments in most of the European countries – that implies too that F-Secure’s products are translated into almost all of the great languages as well as the vast majority of the European languages. The common computer user will primarily know the products F-Secure Antivirus, F-Secure Internet Security and F-Secure SAFE.