While ubiquitous Internet access is extremely convenient and enables marvelous new applications for mobile users, it also creates a major security vulnerability—by placing a passive receiver in the vicinity of the wireless transmitter, that receiver can obtain a copy of every packet that is transmitted! These packets can contain all kinds of sensitive information, including passwords, social security numbers, trade secrets, and private personal messages. A passive receiver that records a copy of…
He turned a little sideways in his chair to drink his mug of coffee. At the table on his left the man with the strident voice was still talking remorselessly away. A young woman who was perhaps his secretary, and who was sitting with her back to Winston, was listening to him and seemed to be eagerly agreeing with everything that he said. From time to time Winston caught some such remark as 'I think you're so right, I do so agree with you', uttered in a youthful and rather silly feminine voice.…