Denmark to deploy ‘saildrones’ in Baltic to protect undersea cables from Russian threat

US-made vessels will monitor maritime activity as part of military trial amid criticism over deepening ties with American tech firms

Denmark is deploying floating drones on the Baltic Sea to protect undersea infrastructure and bolster maritime surveillance amid the growing threat of hybrid attacks from Russia.

The arrival of Saildrone, a California-based company, has prompted criticism in Denmark over forging tighter bonds with the US in such a sensitive area as digital security.