This tactic fails too often because criminals are adept at obfuscating their attack code, allowing their activity to remainundetected for long periods of time.
The case has become a major embarrassment for Canada as its military and government struggle to explain how the former navy officer was able to use such primitive methods to copy and convey his material and remainundetected for so long, our correspondent adds.
What is more, the reunification of Germany presents special export control problems, given that the Chairman of the Volkskammer Commission to Control the Dissolution of the Stasi (East German KGB operatives and secret police) reported yesterday that at least half of the 2, 448 Stasi officers sent into German firms and institutions remainundetected.