The Free On-line Dictionary of Computing (30 December 2018):

Symantec

    Software manufacturer of utility and development
   applications for Windows and Macintosh platforms.
   Products include ACT!, Norton Utilities, Norton AntiVirus,
   Symantec AntiVirus for Macintosh, Symantec Cafe.

   (http://symantec.com/).

   (1997-03-10)