In early January 2026, Baltic states—among them Estonia—raised alerts following multiple suspicious outages and disruptions affecting undersea communication cables that connect the region. These outages have heightened concerns over potential sabotage targeting critical infrastructure undersea. The incidents have drawn attention to vulnerabilities in the Baltic region's telecommunications infrastructure amid heightened geopolitical tensions. Authorities are reportedly investigating the outages to determine causes and potential actors involved. The outages have not been officially attributed but raise concerns consistent with hybrid warfare tactics involving infrastructure disruption.

In early January 2026, Baltic states—among them Estonia—raised alerts following multiple suspicious outages and disruptions affecting undersea communication cables that connect the region. These outages have heightened concerns over potential sabotage targeting critical infrastructure undersea. The incidents have drawn attention to vulnerabilities in the Baltic region's telecommunications infrastructure amid heightened geopolitical tensions. Authorities are reportedly investigating the outages to determine causes and potential actors involved. The outages have not been officially attributed but raise concerns consistent with hybrid warfare tactics involving infrastructure disruption.