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Cyprus and Greece have successfully deployed a software-defined quantum-safe interconnect on an active satellite link, demonstrating how existing infrastructure can be retrofitted to mitigate "harvest-now-decrypt-later" threats. This trial validates the practical application of dynamic key rotation in space-to-ground communications without requiring hardware replacement.

Source coveringThe Quantum Insider

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Cyprus and Greece Establish Quantum-Secure Satellite Link

The Quantum InsiderSeptember 2, 20263 min read

Insider Brief Cyprus and Greece have established their first quantum-secure satellite data connection, Sparkle and Hellas Sat, a satellite operator serving Greece and Cyprus, announced on Wednesday, in a development aimed at protecting communications against future cyber threats, the Cyprus Mail reported. The connection links Sparkle‘s data centre in Metamorfosi, Athens, with Hellas Sat infrastructure […]

Cyprus and Greece have established their first quantum-secure satellite data connection using Sparkle’s Quantum Safe Interconnect (QSI) system and Hellas Sat’s satellite infrastructure. The connection links Sparkle’s data centre in Athens with Hellas Sat infrastructure in Cyprus, with data travelling about 72,000 kilometres through the satellite system. The companies said the trial demonstrates how software-based quantum-safe protection can be applied to existing terrestrial…

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