We recently experienced a directed attack on SourceForge infrastructure (http://sourceforge.net/blog/sourceforge-net-attack/) and so we are resetting all passwords in the sf.net database -- just in case. We're e-mailing all sf.net registered account holders to let you know about this change to your account.
Our investigation uncovered evidence of password sniffing attempts. We have no evidence to suggest that your password has been compromised. But, what we definitely don't want is to find out in 2 months that passwords were compromised and we didn't take action.
So, as a proactive measure we've invalidated your SourceForge.net account
Here is more info
And more on the blog
Edited by Squeeky - 1/29/11 at 1:45am