When the earth shook beneath Fiordland on a Wednesday night, New Zealand's emergency systems faced a quiet test within the louder one: as a tsunami warning spread across the South Island coast, the Civil Defence website went dark, leaving a gap where official guidance should have been. The National Emergency Management Agency, whose infrastructure had passed a load test just weeks prior, found itself undone by an unforeseen firewall failure at the precise moment the public needed it most. Yet the event also revealed something reassuring — that redundancy, not any single channel, is what keeps