Steel-plated walls, two-factor authentication for entry and a backup server are just some of the features which enable a G4S monitoring and alarm receiving centre in Prague to operate continuously, no matter what situation might occur.?Our walls are reinforced with steel plating and we have our own dedicated ventilation system. If there?s a total blackout or a long-term grid failure, we?ll continue to operate without a single second of downtime thanks to a multi-layered backup system.??Even emer