2004年6月 信息保障

continuedTECHNICAL PAPER ABSTRACTS:Closing the Loop:Assessing Information Assurance and Interoperability in Operational Enviro n m e n t sDavid AlandAdvanced Information Engineering Services,Inc.,Aeronautics,Arlington,VirginiaThe essential attri b u tes of i n f o rmation assurance(IA)for defense information sy s tems are sel d o mwell understood by sy s tem users and,c o n s e q u e n t l y,a re incompletely ex p ressed in sy s tem re q u i re-ments documenta t i o n.As a re s u l t,sy s tems are often ac q u i red and fielded that,while having beenc ertified in rel a t ive isolation for securi ty,h ave not been examined either for the full and necessaryIA functionality,or in the ap p ro p ri a te operational contex t.Subsequent to fiel d i n g,re-a s s e s s m e n to f these sy s te m s,w h i ch may have been altered during operational netw o rk integra t i o n,or per h ap so p era ted in a fashion that differs from design,is too frequently anecdotal and not sufficiently ri g-o rous to support analysis and follow-on upgrades and rev i s i o n s.T h ere is more than ad e q u a te pol-i cy rega rding the inclusion of s e c u ri ty and intero p era b i l i ty into information sy s t