Russia may be stepping up its jamming attacks on NATO countries to 'learn and test' them, general says

• Russia may be behind a rise in jamming attacks on neighboring countries, a top general said.
• Finland and Poland have seen a surge in GPS interference, he said, as has the Black Sea.
• "I think they are learning and testing," Martin Herem told Bloomberg.

Russia may be behind a surge in jamming attacks on neighboring countries with the goal of experimenting with them, a senior NATO general said.