Fifth Generation Systems, Inc., was a computer security company founded October 1984 in Baton Rouge, Louisiana, United States by Robert Mitchell, Leroy Mitchell, Roger Ivey, and Bruce Ray. All four later left the company after it was acquired by Barry Bellue who was accused by the founders of fraud and continued theft from company accounts for illegal personal use. Fifth Generation's initial commercial product was FastBack, an early competitor to The Norton Backup from Symantec.

Fifth Generation Systems software

The company was acquired by Symantec on October 4, 1993, for US$53.8 million.