... Publishing/Discovery March 27 , 20 03 . Vrije Univer siteit, Amster dam XML Web Services Secu rity Slide2_11 Web services features – three stacks March 27 , 20 03 . Vrije Univer siteit, Amster dam XML Web Services ... Slide2 _2 Outlines • Historical • XML Security • Web Services Security • OGSA Security • XML Web Services technology for IIDS - Discussion March 27 , 20 03 . Vrije Univer siteit, Amster dam XML Web ... XML Web Services Security March 27 , 20 03 IIDS Group, Vrije Universiteit Yuri Demchenko, NLnet Labs <demch@NLnetLabs.nl> March 27 , 20 03 . Vrije Univer siteit, Amster dam XML Web Services...