As the introduction of the cannon made safe castles obsolete so is the firewall if thought out in terms of moats and perimeters.
Most of the intruders come in by ways that are not protected.
Do you realy think that companies like 500 of the US Fortune 1,000 companies and more than 40 major banks didnt have had any firewalls in place? Still they were the victim of the botnet that was called the “Mariposa” botnet, which had infected and controlled up to 12.7m PCs.
Didnt these companies have virusscanners ? Yes , they probally would have had virus scanners but these werent sophisticated enough to pick up on those attacks.
What we see is that the tradional methods that are used to keep the “bad guys”out are not enough anymore . Like we dont dig moats around our houses to keep bad guys of our premisses.
We need to rethink security as security 2.0 , in tune with the web 2.0 and cloud possibilities. A nice artikel about this written by John Vigouroux, CEO of M86 Security claims that ‘Security firms doing a miserable job’

