2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/121670Recently, we proposed a classical communicator which was inspired by the Kirchhoff-loop-Johnson-like-Noise (KLJN) communicator and was claimed totally secure. Here we withdraw this claim and prove that, similarly to earlier intuitive suspicions, a wave-based classical communicator can never be totally secure.Proof and withdrawing the earlier versionGeneral Physicstext