There is two schools of thought, one is that the more people know about us the more likely we are to have a "Security Breach" the other is that the more publicity we have and the more that our presence is know, the less likely that anyone will fuck with our place. After all, 90 % of crimes are crimes of opportunity. If people think the place is always in use, opportunity is limited and people are less likely to try anything.
Really I think this entire line of thinking is irrelevant because the only people that would break in would be looking for scrap metal; and those people don't use the inter-webs.