I ended up making a purchase from LC on Saturday. I used my card that is secured and has a very strict instruction to never allow more than $200.00 to be taken out at a time unless I call ahead of time and authorize it. I'm not too worried about someone getting my information now, because I checked the security of the site now myself, it's much, MUCH better. However, if someone wants to hack any retailer, they will, so you should always be prepared.
oh, and ALWAYS use credit karma, they tell you if an inquiry shows up on your cards, I'd also put alerts on your card if someone tries to charge over $100.00 or however much you want. Most cards allow that now
Just things I've been doing since someone hacked my PayPal account years ago..