This quest was marked obsolete by Blizzard and cannot be obtained or completed.
Contact Cenarion Scout Landion inside Hive'Regal and return the Hive'Regal Scout Report to Windcaller Proudhorn at Cenarion Hold. You must also bring Tactical Task Briefing VII in order to complete this quest.
We've sent our best scouts deep into the silithid hives to gather intelligence. Scout Landion has been watching the silithid movements at Hive'Regal for several days now. Find him and obtain a written report. We need to be able to act on that information as soon as possible, <name>.