Small businesses working with sensitive PDF documents may choose to encrypt those documents. An encrypted PDF is password protected, which means you cannot open the document unless you type in the ...

For years, editing a PDF wasn't easy and required pricey software, at least until UPDF. This PDF editor for Mac can convert, encrypt, sign, organize, and otherwise edit PDFs across multiple platforms.

Researchers have developed a new technique that allows attackers to extract contents of a password-protected or encrypted PDF file under special conditions. In a paper — titled “Practical Decryption ...

Versatile and capable PDF editing comes to Mac, iPad, iPhone, PC, and Android devices with UPDF, even with the latest iOS 17 updates. UPDF's all-in-one platform makes it easy for anyone to read, ...

The big picture: PDF encryption, as you can imagine, is commonly used in the world of business to protect trade secrets, confidential images and even health records. Some even send e-mail messages as ...