Not secure

On 21 november 2019 i went into clicks cathcart road to buy my baby's stuff ,there were two ladies posing as staff from clickson offduty following customers and offering stuff on half price, i dlnt know how they mananged to ger hold of my card and pin as one of them was behind me at the till point as i paid, within 20 minutes money was taken from my account on the other side of town yet i had used my card to pay in clicks, when i asked for footage to see what really happened,they said they dont have cameras and i had already lost 5000 rnds