In November, two data cables were severed: one that connects Finland and Germany and another that connects Lithuania and Sweden. The defense minister of Germany stated that officials were obligated to regard the incident as "sabotage." However, he did not offer any evidence or specify who might have been responsible. He made the statement during a speech in which he addressed the prospect of hybrid warfare from Russia.

In September 2022, underwater explosions caused damage to the Nord Stream pipelines, which were previously responsible for transporting natural gas from Russia to Germany. The authorities have initiated criminal investigations and have stated that the cause was sabotage.