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</html><thumbnail_url>https://vistula.edu.pl/wp-content/uploads/2026/05/en_370x220.jpg</thumbnail_url><thumbnail_width>370</thumbnail_width><thumbnail_height>220</thumbnail_height><description>Dear Students and Staff, we would like to inform you that we have recorded an increased number of fake email messages sent to Vistula University employees and students. These messages were sent from email accounts in the stu.vistula.edu.pl domain that had been compromised by attackers.</description></oembed>
