Automatic computer updates – How safe are they?

Automatic updates to our computers are taken for granted. But have you ever stopped to thing that there could be something really sinister lurking in the background? You just have to read this though provoking article to make you think again. Read it at http://blogs.techrepublic.com.com/security/?p=2056&tag=nl.e036

Any comments? Would be interesting to hear them.