An old-fashioned game of cat and mouse has quietly unfolded for almost a year in parts of the North Atlantic, the North Sea and the Baltic Sea between NATO allies and a Russian surveillance ship.

It is a contest that has European political and military leaders increasingly concerned.

Separately, but in tandem, there have been multiple incidents of subsurface cables being damaged over the last two years, mostly in the Baltic region, but also in July in an incident off Orkney and Banff in the U.K.

Whether they represent deliberate attacks or accidents is a matter of investigation.

There is, however, a growing consensus that more needs to be done to protect the undersea infrastructure, which is the lifeblood of the global economy.

Analysis Putin is poking NATO with drones and jets. The

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