Galileo Constellation is Up and Reason for Backup Failure

The mystery about the complete failure of the Galileo constellation has been clarified. While the timing facility in Italy failed, the German backup part was not able to take over because of an software security update.

Obviously the overall update procedure will be a major part of the lessons learned discussion following the complete outage of the constellation.

(Source: https://www.politico.eu/article/galileo-blackout-followed-effort-to-guard-against-cyber-threats/ )