Immediately, a new industry sprang into being; companies that promised to help the carriers hack themselves, punching back doors into their networks. The pioneers of this dirty business were overwhelmingly founded by ex-Israeli signals intelligence personnel, though they often poached senior American military and intelligence officials to serve as the face of their operations and liase with their former colleagues in law enforcement and intelligence.
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Telcos weren't the only opponents of CALEA, of course. Security experts - those who weren't hoping to cash in on government pork, anyways - warned that there was no way to make a back door that was only useful to the "good guys" but would keep the "bad guys" out.
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