To a greater or lesser degree, you can encrypt all of your data so it requires a key to unlock. The same is true for online file storage, and your personal information stored in other secure ...

What is encryption, and how does it protect you? Understanding it takes some effort, but reveals a lot about modern digital security.

Anyone using FTP or SFTP to connect to their Web site or other servers should consider a tweaky but significant security upgrade that swaps passwords for encryption keys.

How to Encrypt Files on Windows using Encrypting File System (EFS) EFS works by letting you apply encryption to already-existing files or folders in your file system.

The file data is then encrypted with a symmetric algorithm called as DESX. Encrypting File System (EFS) The key used for these kinds of symmetric encryption is called as File Encryption Key (or FEK).

Once encrypted, files can only be decrypted by someone who has the private key – in this case, the author or the owner of the malicious program.

These encryption keys are small in size but powerful when it comes to protecting your files. None of your data is housed on external sites or in clouds, so it’s just for you at all times.

Kleopatra is a free encryption and signing tool that uses OpenPGP standards. The tool also doubles up as a certificate manager that can create and store OpenPGP and X.509 keys.

Does including the key in the file itself reduce the security of the encrypted file?<BR><BR>2. Add a known sequence to the start of the file -- like "Hello World".