Q: about traffic, performance && security

[Alexander Lazic]

Hi,

i'am very new to nginx and have some questions ;-)

1.) How many sites use the nginx?
  http://survey.netcraft.com/Reports/0604/ say 52092

2.) How many traffic goes thru nginx on real sites, is there any
    reference site?!

3.) How secure is nginx, i haven't found anything on
http://search.securityfocus.com/swsearch?sbm=%2F&metaname=alldoc&query=nginx&x=0&y=0
;-)

regards

Aleks