UNSECURE DELIVERY OF CREDIT CARD

Due to my postal address not being up to date I only received a letter dated 14/07/15 on 16/11/15 informing me of the reissue of my credit card as the current one I've got was about to expire.According to the letter the courier delivering the card was suppose to phone and arrange for delivery.I never received that call.Neither from an agent from Virgin.I unfortunately discovered this morning (when logging into my online profile to change my postal address) that ********** purchases were made with the new card.Upon enquiry as to who signed for the new credit card,the only information Virgin could give me was that it was dropped off at my previous residential address.NO ONE SIGNED FOR THE CARD AND NO IDENTIFICATION WAS VERIFIED!!! How on earth could an international financial institution like Virgin not have proper security measures in place to ensure the financial security of their customers???This is beyond ***********!!!!