Abstract: An anti-theft tag assembly including an electronic tag, a monitored attachment mechanism which attaches the tag to an object to be protected and which provides an output indication of tampering with the attachment mechanism, a monitored proximity determination mechanism which monitors a proximity of the tag, and thus of the object to be protected, to a given object and which provides an output indication of tampering with the proximity determination mechanism, and a communicator for providing a sensible indication of receipt of at least one of the output indications.