Added the warning because some have been triggered by this really superb work.

"On the security of PDF Signatures"

Dr. Vladislav Mladenov & Simon Rohlmann, Ruhr University Bochum, PDF Days Europe 2022

#PDFAssociation #PDFDaysEurope2022 #pdfsecurity #pdfinsecurity

https://www.youtube.com/watch?v=0Le6Q14MV_k