Securing a PDF File
Explore methods to secure PDF files by encrypting and decrypting them with Python's PyPDF4 library. Understand how to set user and owner passwords, prevent unauthorized access, and manage encrypted PDFs through practical code examples.
Introduction
In today’s world, where data gives a competitive edge, greater attention is paid to data protection.
Any leak of confidential information can cause direct financial harm to an enterprise, indirect losses of reputation and opportunities, among other adverse effects. As a consequence, exchanging PDF documents in a secure manner is becoming increasingly more important.
Securing a PDF file prevents unauthorized or unaccredited persons from opening, printing, or editing it.
However, there are disadvantages, as password-protected PDF files are not as secure as we might perceive.
Attention, several tools, and online services with varying capabilities are able to break the password and restrictions set on a PDF file.
Security measures that protect PDF files
Security measures that protect PDF files# Various measures are in place to secure a PDF document against unauthorized access or improper usage.
The most popular ...