Yes, you can! Many secured credit cards have guaranteed approval, meaning that you can get a card as long as you can put up the security funds. In fact, a secured credit card is one of the very best ways for people with bad (or no) credit to improve your credit rating and credit score.Yes, you can! Many secured credit cards have guaranteed approval, meaning that you can get a card as long as you can put up the security funds. In fact, a secured credit card is one of the very best ways for people with bad (or no) credit to improve your credit rating and credit score.