[3] Cohen is best known for his pioneering work on computer viruses, the invention of high integrity operating system mechanisms now in widespread use, and automation of protection management functions.
He wrote a short program, as an experiment, that could "infect" computers, make copies of itself, and spread from one machine to another.
It was hidden inside a larger, legitimate program, which was loaded into a computer on a floppy disk.
of his research work, Fred Cohen wrote over 60 professional publications and 11 books.
This biographical article relating to a computer specialist in the United States is a stub.