LONDON (Reuters) -Russian hackers have recently attempted to penetrate the networks of NATO and the militaries of some eastern European countries, Google’s Threat Analysis Group said in a report published on Wednesday. The report did not say which militaries had been targeted in what Google described as “credential phishing campaigns” launched by a Russian-based group called Coldriver, or Callisto. “These campaigns were sent using newly created Gmail accounts to non-Google accounts, so the success rate of these campaigns is unknown,” the report https://blog.google/threat-analysis-group/trackin…