About 8 years ago I was flying back home from the States through Rome, where I found out that I had lost my passport (most probably on the plane). I went to the Polizia di Stato offices at FCO to report it and I continued my trip a few hours later. Then, a week later I received an email from the US Dept. of Homeland Security informing me that mt ESTA had been revoked, though without any reason being offered. Then, weeks later, I went to the Hellenic Police HQ at Heraklion to apply for a new passport. I had a rather heated discussion with the responsible police officer who insisted that the correct thing to do would have been to report the loss of the passport at the Greek Embassy in Rome and not to his Italian colleagues. During the exchange of arguments, he printed my name in his computer and Looking over his shoulder, I saw a picture of my passport (the two pages with my photograph and the personal data), with a big bold label saying "Lost" or something similar. Well, data shared at least between Italian PdS, the US CBP/DHS and the Hellenic Police, ie. Schengen and beyond?