Sparkle and Hellas Sat complete quantum-safe satellite link between Greece and Cyprus
Sparkle · Hellas Sat
Sparkle and Hellas Sat extended quantum-safe encryption over a live satellite link connecting their Athens and Cyprus infrastructure.
what happened
Sparkle and Hellas Sat demonstrated a quantum-safe satellite connection between Sparkle's data center in Metamorfosis, Athens, and Hellas Sat's infrastructure in Cyprus, an end-to-end path of roughly 72,000 kilometers via a geostationary satellite. The two companies had earlier validated Sparkle's Quantum Safe Interconnect (QSI) protection, which uses secure key delivery and automatic key rotation, over a terrestrial IPsec link between two data centers in Greece.
why it matters
The trial shows a software-based quantum-safe layer can extend to an existing satellite path without new hardware, aimed at 'harvest-now-decrypt-later' risk for government and enterprise customers needing secure connectivity in remote areas. Hellas Sat says it is now evaluating commercial deployment of quantum-safe satellite services, a template GEO operators elsewhere may follow as quantum-safe requirements spread through government and defense procurement.
for who
GEO satellite operators, government and defense satcom buyers
signal-to-noise
quick facts
- Companies
- Sparkle, Hellas Sat
- Category
- product
- Impact
- noise
- SNR
- 4 / 5
- Event date
- 2026-09-04
- Published
- 2026-09-04 21:12 UTC