spamhaus

There has been a lot of coverage on the recent DDoS attacks on Spamhaus. But it occurs to me that there might be many people who aren't clear on two of the key constituents of this story - that is, spam and DDoS. So it seems like a good opportunity to explain what they are and the impact they have on all of us.
Scepticism has been thrown on reports that a massive online attack caused speeds on the internet to slow around the world