36С3Can you read an encrypted PDF?
Researcher Fabian Ising, speaking at the Chaos Communication Congress, showed the limits of PDF encryption’s strength.
36С3
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36c3You, me, and Facebook makes three
Privacy International talks about period-tracking apps and the perils of sharing secrets with apps.
Can you trust digital signatures in PDF files?
Researchers try to modify the contents of a signed PDF file without invalidating the signature.