Mysterious Break in Baltic Sea Data Cable Between Finland and Germany

Published on November 18, 2024

A submarine data communications cable across the Baltic Sea between Finland and Germany has broken, and the cause for the disruption is being investigated. On Nov. 18, “a fault” was detected in the C-Lion1 cable belonging to the Finnish state-controlled data services provider, Cinia, which runs nearly 1,200 kilometers (746 miles) from the Finnish capital, Helsinki, to the German port city of Rostock. “Due to the fault, the services provided over the C-Lion1 cable are down. The cause of the fault is being investigated,” Cinia wrote in a statement. All telecommunications running off the C-Lion1 have been cut off, according to Finnish public broadcaster YLE....