At a previous job we had a nice test: show them a listing with some glaring bugs and ask to find bugs from the listing (buffer overflows, obvious memory leaks,

At a previous job we had a nice test: show them a listing with some glaring bugs and ask to find bugs from the listing (buffer overflows, obvious memory leaks, printf format mismatch) Surprisingly this used to be a very hard filter, people are trained to write new code and do not know how to review code of others (or even their own stuff)