Don't aid spammers with LinkedIN Open Network. LION or Sheep
It’s 21st century, the year 2014 and we are still on ground zero talking about spam emails and attacks like spear phishing. No matter how stringent your controls are, how much you have invest in your “defense in depth” approach, a single human being of your firm clicking a link on an unsolicited email can crumble your empire. This is not at all melodramatic as it sounds. It is for real, is scary and sad.