![]() Law enforcement agencies and other official organizations find it much easier to add their hardware directly on the ISP premises. ![]() The apprentice spy would have to break the encryption layer as well, which would involve an even trickier man-in-the-middle attack on the physical line.) ( Edit: also, some ADSL providers use PPTP tunneling with encryption I have seen it done in France. While the "physical conditions" have not changed (the spy must still reach the wire, which is usually not very hard to do discreetly in urban environments), the price of involved hardware and the level of expertise have increased. Nowadays, people use ADSL, coaxial cable or optic fiber, and the much higher data rates mean that inexpert plugging will disrupt the connection, making it unsuitable for passive eavesdropping. In Older Times, when people used dialup modems, plugging on the line was just a matter of a pair of crocodile clips and hooking another modem, tuned to be "receive only". In practice, it is a bit complex for amateurs.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |