Sign of the times
“Google said it planned to issue the warning anytime it picks up malicious–possibly state-sponsored–activity on a user’s account or computer. How does Google know whether an attack is state-sponsored? It won’t say.
“We can’t go into the details without giving away information that would be helpful to these bad actors, but our detailed analysis—as well as victim reports—strongly suggest the involvement of states or groups that are state-sponsored,” Eric Grosse, Google’s vice president of security engineering, wrote in a blog post.”