Quantum deception refers to the manipulation or exploitation of quantum systems to mislead or deceive observers or measurement devices. This concept is rooted in the principles of quantum mechanics, where the behavior of particles at the quantum level can be counterintuitive and probabilistic. Quantum deception can involve techniques such as quantum state manipulation, entanglement, or superposition to create scenarios where the observed outcomes do not accurately reflect the true state of the system. In Hebrew, this concept can be translated as הטעיית קוונטית (hat'iyat kvantit). In the context of quantum computing and cryptography, quantum deception can have significant implications for security and data integrity. For instance, in quantum key distribution (QKD), any attempt to eavesdrop on the quantum channel can introduce detectable disturbances, a concept known as quantum hacking or quantum deception. Understanding and mitigating quantum deception is crucial for advancing secure quantum communication and computation technologies.