How many times the user has printed the document.How many times the document has been opened.
The PDF file and/or the key to decrypt it can be set to expire based on the following factors:
#Make pdf file secure software#
After a document publisher creates their PDF, they encrypt it with PDF DRM software that only allows those with a valid key to decrypt it. PDF expiration relies on strong encryption. You’ll be unsurprised to hear, then, that the only reliable way to make a PDF expire is through a fully-fledged PDF DRM solution like Safeguard PDF Security. As such, it offers little other than basic, easily bypassed password protection. Its focus is primarily on convenience and easy editing, not security. So, why doesn’t Adobe Acrobat PDF password protection have PDF expiration features built-in? Though it is a popular solution, fundamentally it’s not DRM software. even if you apply PDF password protection to restrict editing, users can remove the restrictions in seconds using PDF password recovery software.users can edit the PDF document and remove the PDF expiration date script.the JavaScript code does not work in Mac Preview so Mac users can continue viewing the PDF files after they have expired.they are not supported by some PDF readers (especially on mobile devices).they are easily bypassed by users not enabling JavaScript in their PDF Reader application.PDF expiration date scripts are completely useless: The only methods to make a PDF expire involve unsanctioned community scripts, such as a PDF expiration date script that utilizes JavaScript. Currently, Adobe PDF offers no native way to make a PDF expire. An expiring PDF grants several advantages, including the ability to limit third-party sharing, offer limited-time products, and eliminate publication of obsolete document versions.Īlthough you may expect most PDF security solutions to have an expiry feature, it’s not the case.
#Make pdf file secure how to#
Whether you’re a publisher, large organization, or small enterprise, the time may come when you will need to know how to make a PDF expire.
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