Forums
We tend to favor some forums as we do certain social networks, but because many security sub-topics are highly specialist, this is a time to be chiefly choosy. The right kind of site should have not merely a single security forum, but numerous sub-forums as well.
hack in the box
Great site with aggregated news feeds, a fab forum, and more besides:
sla.ckers
The Web Application Security Forums at sla.ckers, the forum extension of RSnake's ha.ckers website, has the subject properly broken down and a raft of talented users:
WindowSecurity
No relation to Windows, this superb resource has news, features, and more. Perhaps best of all is the friendly forum were the newest of noobs get help from the Godliest of geeks:
