Fortres Grand is a company that specializes in cybersecurity and access control solutions for personal computers and networks. Known for its flagship product, Clean Slate, the company provides software designed to protect the integrity of computer systems by removing unwanted changes upon reboot, ensuring systems remain secure and stable. Fortres Grand also offers other products like Fortres 101, which provides robust security measures to prevent unauthorized access and modifications. Their solutions are utilized in educational institutions, businesses, and other organizations to maintain secure and efficient computing environments.