Operating system security a tutorial of current research

S t u a r t E. Madnick The Sloan School of Management Massachusetts I n s t i t u t e of Technology ABSTRACT This t u t o r i a l i s e x t r a c t e d from t h e r e c e n t l y completed monograph, Computer S e c u r i t y : Its Problems and S o l u t i o n s 133, and is intended as a tech-n i c a l review of r e s e a r c h i n t h e areas of o p e r a t i n g system s e c u r i t y. Furthermore, i t is intended t o provide some assessment and e v a l u a t i o n of t h e work reviewed. f u t u r e a c t i v i t i e s i n o p e r a t i n g system r e s e a r c h are a l s o included. Because t h e t u t o r i a l i s w r i t t e n f o r t e c h n i c a l people who are n o t d i r e c t l y conducting such r e s e a r c h , w e have t r i e d t o p r e s e n t t h e review i n an i l l u s t r a t i v e manner with i n t u i t i v e and i n f o r-m a l d e f i n i t i o n s of t h e necessary technology. l a n c e i n t e r m s of logging and t h r e a t monitoring. It conceptualizes t h e problems and s o l u t i o n s of a c c e s s c o n t r o l. To achieve s e c u r i t y , t h e o p e r a t i …