PDF Complete is able to open my encrypted document

Hi all.

I have encrypted a document and when I open using Adobe PDF reader, it prompts for the password which is fine. If I however open the same document using PDF Complete, it doesn't prompt for the password, the document just opens. This is happening with most of my users whose I-Pads use PDF Complete as a default PDF reader. Please help!!



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Have you tried other pdf

Have you tried other pdf readers, like Sumatra or foxit?
Is there one of the two passwords (user and owner) that you left blank?