Internet 'immune system' could block viruses

2019-03-08 01:11:06

By Anil Ananthaswamy IT IS 0530 UTC, 25 January 2003. A computer worm named Slammer has just unleashed one of the most devastating attacks on the internet ever. Within minutes, it infects nearly 90 per cent of vulnerable computers. Major net links break down, ATM machines fail and airlines have to cancel flights. What was impressive about Slammer was the overwhelming speed of infection. There was no chance to intervene. Six years on, our defences are little better. Scott Coull of the University of North Carolina at Chapel Hill and Boleslaw Szymanski of the Rensselaer Polytechnic Institute in Troy,