Centralizing authentication and authorization reduce cost, improves consistency, and permits rapid provisioning and changes. List the technologies on the way toward greater centralization, beginning...

Centralizing authentication and authorization reduce cost, improves consistency, and permits rapid provisioning and changes. List the technologies on the way toward greater centralization, beginning with stand-alone authenticators through corporate metadirectory servers.

If you were in an industry listed as a primary target for cyber espionage, what additional steps would you take to improve the security of your company?