I'd like to get a new puppy dog but I'm afraid it would get eaten by the feral cats that have made my backyard their home. What to do?

Keep the puppy in a cage inside for a while...use puppy pads, it’s bed, water, and food and when it is sleeping put a blanket over the top of the cage. We have feral cats everywhere also and I keep my pups indoors. Another alternative...maybe the garage or the laundry room.
Until it’s big enough it will have to stay inside.