What is JWT security?

JWT, or JSON Web Token, is an open standard used to share security information between two parties — a client and a server . Each JWT contains encoded JSON objects, including a set of claims. JWTs are signed using a cryptographic algorithm to ensure that the claims cannot be altered after the token is issued.

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Why is JWT not safe?

JWT’s are often not encrypted so anyone able to perform a man-in-the-middle attack and sniff the JWT now has your authentication credentials. This is made easier because the MITM attack only needs to be completed on the connection between the server and the client.

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What is the use of JSON Web Token?

A JSON Web Token is used to send information that can be verified and trusted by means of a digital signature . It comprises a compact and URL-safe JSON object, which is cryptographically signed to verify its authenticity, and which can also be encrypted if the payload contains sensitive information.

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