Late Friday, last week, Google announced a new tool for security-minded users, called E2EMail, a Chrome extension that simplifies the installation of PGP encryption for Gmail.

How to Open Encrypted Files. Microsoft Windows' built-in encryption utility is designed to protect files from being open, read or modified by other users and computers.

If you get Access is denied message when opening encrypted files, you may need to first export the Encrypting File System (EFS) certificate and key.

They say, "send me your public key". I do send them said key, and they send me back a PGP encrypted file. When I go to open it, PGP complains an tells me that I lack the private keys to open the file.

Users without PGP NetShare can copy files into protected folders, but those files are not encrypted until an authorized user modifies the file or re-encrypts the folder.

IIRC, with PGP there is a "session key" that's generated on the fly, encrypted using the public keys of the sender and receiver, then sent along with the message.

Now, of course, your recipients have to go through the same procedure, or use other compatible PGP software. Symantec still makes PGP, although it works on the Mac only with Microsoft Outlook.

The flaw occurs in the way PGP handles long file names in encrypted archives, Network Associates said on its site. PGP runs into problems when it tries to encrypt or decrypt files that have names ...

Whether you use BitLocker, Disk Utility, LUKS, or cloud encryption methods, you can be confident that your files are well-protected. Why Encryption Matters for Your Data Backups (And How to Do It ...

You may think that encrypting your sensitive files with, say, PGP may protect your data - but you'd be wrong. Most encryption formats leak a lot of plaintext metadata, and that's a problem. Here's ...