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 ...

I’ve been involved with multiple projects with file encryption lately, and even though I’ve been assisting with data encryption projects for years, I’m still learning something new every day. They say ...

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 ...

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 ...

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 ...

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 ...

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 ...

Whether for work or personal use, file sharing is a vital part of how we interact with each other on the internet. While most of your day-to-day file sharing might just be funny animal pictures, we ...

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 ...