Our system monitors global e-mail traffic … to figure out who the good guys are and who the bad guys are.

Very few supercomputers on Earth have that sort of power. What sort of problems could you apply that threat to? We deal in DoS attacks from thousands of PCs – but millions? Most risk models...

They have defenses for things coming in the front door, but nobody is looking at what’s going out the back door.

A company doing business on the Internet sends mail daily. A spammer or zombie may wake up once a month and disappear again. Normal mail senders don’t do that. Without knowing what the message said,...

Many spammers are reinventing themselves.