<ul><li>A new study has revealed hidden flaws in devices used in quantum communication systems, which could allow hackers to eavesdrop undetected.</li><li>The flaws are related to 'side channels' – unintended ways that information can leak out of the system through small imperfections in the devices used.</li><li>The study focuses on the source, the device that creates the quantum particles, and highlights the vulnerability in the encoding process, where the message can leak into other properties of the light.</li><li>Researchers aim to fix or avoid these side channels to enhance the security of quantum communication systems.</li></ul>

Quantum communication isn’t foolproof: Hidden flaws could let hackers sneak in

Discover more