Welcome, unwanted visitor. You've managed to find yourself in a situation where you're not exactly... invited. Don't panic. We've prepared for this. Sort of.
Discreetly arrive at the dinner party. Make sure to blend in. Wear a convincing 'I'm-a-normal-neighbor-from-the-block' outfit. Avoid anything too bright or too loud. You know, for stealth's sake.
Continue to Attack Surface 2: The Art of the Sudden Departure Or, for the more... defensive approach: Defense in Depth