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A: To protect the information on it. If you encrypt your phone, it means that if the phone is stolen or you leave it in a cab, the information on the phone is safe because no one but you (or someone who has your passcode) can get to it, said John Kindervag, a security and risk analyst with Forrester Research.

The general opinion is that they're good for being used as ID Tokens or Access Tokens and that they're secure - as the tokens are usually signed or even encrypted.A JSON Web Token (JWT, pronounced jot) is a compact and url-safe way of passing a JSON message between two parties. It's a standard, defined in RFC 7519.

SAML token encryption enables the use of encrypted SAML assertions with an application that supports it.The application must use the matching private key to decrypt the token before it can be used as evidence of authentication for the signed in user.

If you encrypt files and folders in Windows, your data will become unreadable to unauthorized parties. Only someone with the correct password, or decryption key, can make the data readable again. This article will explain several methods Windows users can utilize to encrypt their devices and the data stored on them.

1. Open the Android Market app on your device and install the Secret Message app. Enter a secret key into the Secret Key box at the top of the app's screen, type the message you want to encrypt into the Message box, tap Encrypt and tap Send via SMS to send the encrypted message.

In the first case, even if you have encrypted your files they can be encrypted again by ransomware. And then you won't be able to decrypt them. Bad situation. In the second case, ransomware lives in the computer's runtime (while you're using it), therefore it has an access to decrypted files on your computer.

JSON Web Token Best PracticesKeep it secret. Keep it safe.Do not add sensitive data to the payload. Tokens are signed to protect against manipulation and are easily decoded.Give tokens an expiration.Embrace HTTPS.Consider all of your authorization use cases.