This is a very serious accusation that implies a lot about how the company handled it, and after a handful of searches I've found no other references to it.
I assume goodweeds refers to this http://geekfeminism.wikia.com/wiki/Noirin_Shirley_ApacheCon_... . That page classifies the incident as sexual assault instead of attempted rape, but I have to admit that I don't know the precise distinction between the two.
That would be Noirin Plunkett. Her account [1] and the discussion that went about the same way all posts on HN that touch on sexual assault or misogyny do... [2].