October 1, 1977
      
                  
        
  Author(s)
  Zella G. Ruthberg,   Robert G. McKenzie
 
       
            
    
    
        The National Bureau of Standards, with the support of the U.S. General Accounting Office, sponsored an invitational workshop on "Audit and Evaluation of Computer Security," held in Miami Beach, Florida on March 22-24, 1977. Its purpose was to explore the