Network World recently reviewed some research by Forrester that outlined five rising and five declining security technologies. There was one clear trend in every technology mentioned: everything is moving toward the cloud.
With security, it may not be obvious why security can be much more efficient in the cloud, but a lot of it has to do with what you can see from a bird’s eye view. Spam filters are a good example. Non-cloud filter paradigms examine each email in isolation, trying to determine if each is legitimate. In the cloud, a mail filter can look at all of the email that is being sent through its services, easily identifying the number one characteristic of spam: if it was concurrently sent to thousands and thousands of people. More...
