7 apps I use to lock down, encrypt, and store my private files - and most are free ...

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 ...

A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive content safe, ...