FRISK Software International was an Icelandic cybersecurity company founded in 1993 in Reykjavík, Iceland. It specialized in computer security and antivirus solutions, notably developing F-Prot Antivirus, one of the earliest antivirus programs featuring heuristic detection. The company also provided anti-spam services and security tools for businesses and individuals. In 2012, FRISK Software International was acquired by Cyren, a global cybersecurity firm. Its legacy remains in modern antivirus technology.

Logo out of use