How to Merge Encrypted PDF Files. Small businesses working with sensitive PDF documents may choose to encrypt those documents. An encrypted PDF is password protected, which means you cannot open ...

If you want to password-protect your PDF documents from outside interference, then maybe you should give PDF Page Lock a test run. It is a free encryption software that lets you easily encrypt PDF ...

How to Encrypt a File Using OpenSSL. Secure Sockets Layer is a network communication protocol that provides security for data at the transmission level. SSL encrypts data connections so that ...

Have a private document on your desktop OS? Here's how to keep it secure on Linux, MacOS, and Windows.

How to encrypt and password-protect ZIP files the right way This tip was originally published on IDG Answers, a reader-powered help desk for answering tech questions.

Whether you use Windows Pro's built-in Bitlocker or the free Veracrypt utility, encrypting a file, folder, or drive is an easy way to keep your sensitive documents secure.

How to encrypt compressed files the easy way from Windows, macOS, or Linux Your email has been sent Image: Meilun, Getty Images/iStockphoto Must-read security coverage Black Hat: Security ...

File encryption can improve the security of your files and folders and make them inaccessible to intruders without a decryption key. Here's a quick guide about encrypting any files, folders, and ...