112 is the common European emergency number for reaching public-safety services across member states. It is intended to work as a universal access point for police, fire, and medical response, even when a caller does not know the local national number.
In cyber security, 112 matters because emergency calling depends on trusted routing, caller location, and network availability. Attackers can try to disrupt that path through spoofed signaling, denial-of-service against voice or core networks, or abuse of mobile and satellite gateways that carry the call. Defenders therefore test failover behavior, verify location handoff, and monitor for misrouting or degraded service. In modern mobile and direct-to-device systems, 112 is a reminder that connectivity is only useful if the emergency control plane remains accurate, resilient, and interoperable.