Navigation systems in the Baltic Sea region are experiencing increased interference, including both continuous jamming and more systematic spoofing—deliberate manipulation of signals from a foreign power. These manipulated GNSS signals are spreading geographically, making the disruptions harder to detect. Andreas Holmgren, head of unit at the Swedish Transport Agency, expressed concern over the nature of these disturbances. The increasing sophistication suggests a deliberate attempt to disrupt navigation. This poses risks to maritime traffic and potentially other systems relying on GPS data. Authorities are monitoring the situation closely and investigating the source of the interference. The disruptions highlight the vulnerability of critical infrastructure to signal manipulation.