joining us now is cyber security expert ceo of network security group, john lewsich. good to have you both here. ted, first let me ask you, technical glitch? are you kidding me? technical glitch? >> we live in a world of electronic trading and glitches happen. that was the excuse how would we know? >> we turn to a expert on cyber security and question is him your view your opinion? >> it's more of a glitch when it brings a network of that size and complexity down to it's knees and they have to close for 3 1/2 to 4 hours. i can tell you this. they say it was a software update. complex networks of this size have a test environment where they do updates to find throughout are no glitches before that release it into the live environment. >> they secure the environment. >> they also have redundant systems in environments like this. if one side dose down the other side stays up. multiple distribution path for power. i'm very suspicious of this technical glitch. >> there is a few, and here is another problem that i have with the new york exchange personally. i have gone thro