Coverage of my talk at Blackhat Vegas.

"To me this is bizarre," Cross says, because it makes it impossible to demonstrate that someone has tapped communication illegally. He says he understands law enforcement officials want the feature because it prevents insiders at the ISPs from checking the logs to spot what the cops are tapping and tipping off the parties being investigated. But still, "There's no way to see if a person is lying if they say they didn't tap a line," he says.