While millions of consumers continue to fall victim to identity theft each year, many are starting to fight back with new tools— credit alerts and credit freezes. Sounds effective, right? Though they are a great way to prevent thieves from opening new credit in your name, credit alerts and freezes are unfortunately not a total silver bullet. So, before you rush out to lock up your credit, read on to learn about these techniques, how they can prevent identity theft , and where they might fall short.