--- nessus-core/nessusd/detached.c.orig
+++ nessus-core/nessusd/detached.c
@@ -408,7 +408,7 @@
  char * target;
 {
  char * fname = detached_fname(globals);
- int f = open(fname, O_CREAT|O_WRONLY|O_TRUNC);
+ int f = open(fname, O_CREAT|O_WRONLY|O_TRUNC, 0600);
  if(f >= 0)
  {
   write(f, target, strlen(target));