DeepSec 2013 Talk (U21): The Dark Side of the Internet
You may have heard of background radiation. It’s the kind of ionizing radiation you are exposed when wandering around on this planet. The sources are radioactive isotopes in the air, the soil, our food, and the water. In addition there is cosmic radiation from outer space. So even without artificial radiation sources you will have a natural background radiation. The Internet has a similar phenomenon. The pendant of the fundamental particle in Nature is the packet. Internet traffic consists of data packets going from their source to a target address. Imagine a part of the Internet which isn’t used at all. Its address space isn’t advertised anywhere. It holds no services and no active hosts. This place is called Darknet. In theory there will be no packets. In practice there are. A student from