Private contact details of the most important security advisers to U.S. President Donald Trump can be found on the internet. DER SPIEGEL reporters were able to find mobile phone numbers, email addresses and even some passwords belonging to the top officials. To do so, the reporters used commercial people search engines along with hacked customer data that has been published on the web. Those affected by the leaks include National Security Adviser Mike Waltz, Director of National Intelligence Tulsi Gabbard and Secretary of Defense Pete Hegseth. Most of these numbers and email addresses are apparently still in use, with some...