This is not another post about Penguin or Panda updates. There are blogs out there covering Google updates with much more authority and skill. It would be a waste of our time to copy them.
Instead I’d like to help you secure PageRank you’ve built by adding lines of defense to your blogging fortress. If you’ve got something good going with Google organic Search, even if you don’t care much for SEO, it’s time to protecting yourself against risks.