One of the oldest still-working protocols on the Internet is FTP (File Transfer Protocol). Designed in the net’s earliest days, FTP never concerned itself with security. Later standards addressed this ...

The key used for these kinds of symmetric encryption is called as File Encryption Key (or FEK). This FEK is in return encrypted with a public or a private key algorithm like RSA and stored with the ...

GnuPG, or GPG, is a free implementation of the OpenPGP standard. It allows you to encrypt and sign your data and communications. It features a versatile key management system and access modules for ...

To help secure your Google Drive, use two-factor authentication and be careful when giving other apps permission to use your ...

Times have changed, and more than a few tools have come and gone that were designed to encrypt your data and keep it safe from prying eyes or data thieves. It's time for a fresh look. Which ...

I'm looking to encrypt a file with OpenSSL functions (blowfish, des, rc4-- haven't picked one yet). Anyhow, after decrypting a file, I need to know if the file was correctly decrypted. The only way it ...

After reading my article on encrypting sensitive data, Ian Cooper asked if it was safe “to use one of these encryption tools in conjunction with an online backup service?” [Have a tech question? Ask ...

Curious about the security of your documents in the cloud? You’re not alone. We recently received an email from Dana in Marietta, Ga., who is asking this, "I just read your article on saving documents ...

Device encryption is a security feature that Microsoft often quietly enables during Windows 11 setup. Sign in with a Microsoft account on a PC with compatible hardware, and the deed is (usually) done.

David S. writes asks about recovering a FileVault-encrypted drive. He says it was encrypted and then reformatted. Is it possible to recover any data from this drive since it was previously encrypted ...