Abstract: The present invention provides a padlock comprising a padlock body having formed therein a slot arranged to receive an object to be secured, a hasp mounted in the body and arranged to be moved between a first, inoperative position in which the slot can receive an object to be secured and a second, operative position in which it is disposed across the slot, said hasp being retained in said body in all phases of its operation and, when in the operative position, extending across the slot within the confines of the body so that the portion of the hasp securing the object is shrouded.