From connected cars to British universities, from Russian sabotage to Iranian cyber operations, European security services are making increasingly explicit warnings public.
Taken together, however, they illustrate how far the perimeter within which European security agencies look for vulnerabilities linked to interstate competition has expanded.
It is precisely the space between those two extremes that appears to be attracting growing attention from European intelligence services.
This is happening as the political room for manoeuvre of many European governments could soon narrow.
In that sense, public intelligence warnings can begin to function as policy signals.