Intelligence and defense specialists believe the president-elect’s use of the popular and powerful social media network is already being used by foreign agencies to analyze his personality, track his habits and detect clues about what to expect from a Trump-led American government.

And that’s just based on what Trump writes on Twitter. It’s not even counting the vulnerabilities that could arise if overseas hackers invade his phone and digital accounts.

“We’ve never had a president that’s shared so much of themselves, not just what they’re saying, but their psychological ticks in such an overt manner, and you can be sure that foreign actors are studying that, too,” said P.W. Singer, a defense expert and co-author of “Cybersecurity and Cyberwar.” “We’re beginning to see what excites him, what angers him, what sets him off. We’ve never had this ability to read so much on what a president is thinking.”…

Foreign analysts following Trump’s Twitter may not be inclined to simply take everything he writes at face value, especially when it comes to highly sensitive subjects. But, using sophisticated data tools, they may look for patterns that, over time, can help them better predict if Trump is being serious. In all likelihood, many intelligence specialists overseas have probably already done such analyses based on Trump’s more than 34,000 tweets so far.