escaping

My girl sphynx who is 1 yr and 5 months old has started running out the door when I open it. I am really having to watch her. There are strays in my neighborhood and I have seen them on my porch even. What can I do to help stop this? Should I train her on a leash inside and then take her to safe...

Does your sphynx cat wear a collar? I have three cats (one sphynx) and all of my cats except Buster (the sphynx) wear collars. My other two cats are notorious for trying to get out, but Buster has never attempted to escape. Even if you hold the door open in front of him, he knows not to run out...