Bad reputation
So Quorum uses an algorithm that is comparable to the one Google uses to rank websites and pages and thus determine how prominently they are listed in a given key-word search.
Except in this case, Symantec reckons it can determine the ‘reputation' of a file, based on a bunch of attributes such as its age, and thus make an instant judgment about it.
Norton Internet Security 2010 can already be bought directly from Symantec for £49.99 will be available in the channel towards the end of this month. A special netbook edition will be available in the UK from late October for £39.99, which claims to have a smaller footprint on the PC.
Here's Symantec exec Gerry Egan using the inevitable PowerPoint presentation to illustrate the Quorum concept.