If you've been doing your Christmas shopping at Target, you'll want to pay close attention to your account.
There's been a major security breach involving 40 million credit and debit cards.
If you shopped at Target between November 27th and December 15th, you should assume you're at risk.
So, what now? What should you do to protect yourself?
John Kiernan, a senior analyst at Evolution Finance, has advice for anyone who's worried their card was compromised.