Pick up the phone. Call the credit reporting bureaus, and request a fraud watch. You get the exact same thing for free.
Even easier, go to Equifax.com, and place a fraud alert on your social. It’s free, and they push it to the other CBs as well. Basically, you have to be contacted whenever a report is requested on you for approval. This is all LifeLock really does for you, in essence. It lasts for 90 days and you can renew. My wife’s purse was stolen this last weekend, so that was the second thing that I did.