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 ...

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 ...

Full disk encryption is the most commonly used encryption strategy in practice today for data at rest, but does that mean it’s sufficient to prevent unauthorized access to your data? The short answer: ...

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 ...

Signing and encryption have almost become a day to day task of some users. While encryption makes your file unreadable to unauthorized users, signing helps you in claiming and verifying the integrity ...

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 ...

Home media / file server, Proxmox, ZFS. There's nothing critical or high risk on here, maybe some copies of tax returns and other basic personal PII. My primary concern is that the system boot and ...

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 ...