Selling educational videos on USB drives is still a useful business model for course creators, trainers, schools, publishers, and training companies. A customer can buy a USB drive, receive it by mail, plug it into a computer, and start watching
How to Prevent AI Scraping of Digital Machinery Manuals
Protect Online Machinery Manuals from AI Web Scraping and Copying More machinery manufacturers are moving from printed instruction manuals to digital manuals. This can reduce printing and distribution costs and make it easier for customers to access documentation. But putting
Why Users Cannot See a PDF After You Delete and Re-Upload It
If you use a PDF DRM system to protect books, courses, training materials, or paid documents, you may run into this problem: You delete an old PDF, upload a new version, and your existing users can no longer see the
Telegram PDF Protection: Allow Only Telegram Group Members to Access PDF Files
Sharing PDF files in a Telegram group is easy, but protecting those files is much harder. If you sell courses, CFA study materials, ebooks, training documents, exam preparation materials, reports, or other paid PDFs, you may not want everyone who
How to Protect CFA Study Materials from PDF Sharing, Reselling, and Unauthorized Downloads
A CFA exam study material provider recently contacted us with a very common problem. He runs a small two-person business that creates study and review materials for people preparing for the Chartered Financial Analyst (CFA) exams. His products include PDF
How to Limit a PDF to 1 or 2 Devices Per Customer, Create Secure Reading Links, and Prevent PDF Sharing
If you sell PDF ebooks, training materials, manuals, reports, or other digital documents, you may want each customer to read the PDF on only one or two devices. For example, you may want: Customer A to use the PDF on
Is a Web PDF Viewer Secure? Can Anyone With the Link Open Your PDF?
If you sell or share PDF files online, you may have an important question: If I send someone a web PDF viewer link, can anyone with the link open my PDF? The answer depends on how the PDF viewer is
How to Protect Digital Products and Sell Courses Online Securely: Stop Copying, Sharing, and Piracy
Learn how to protect eBooks, PDFs, courses, templates, and other digital products from piracy using watermarking, access controls, expiring links, DRM, and DMCA takedowns. Selling a digital product is easy. Keeping that product from being copied and shared is much
How to Protect VPDF Files, Stop Unauthorized Access, and Secure Online Book Sales with Allowed IP Rules for the VeryPDF DRM API
If you sell protected PDF books, training materials, or digital documents through your own website, protecting the file itself is only one part of the problem. You also need to protect: The server where the protected file is stored The
PDF Print Tracking, Virtual Printer Blocking, and Pay-Per-Print by DRM Control
If you sell PDF books, training materials, technical manuals, reports, or other protected documents, printing can create a problem. You may allow customers to print, but you may not want them to print unlimited copies. You may also want to