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Thank you for your reply. so the server how to know whether the number that i entered is the number that I got from the token?
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Hi I am trying to understand RSA Secureid. Here is a token, which can provide random digit number for us to login onto a server with something like username and passcode. For example, the token has 20 numbers, each of 20 has registered with the server already. and different token has different 20 number. so when logging to server, the server will decide if we can logging based on the one of 20 numbers that has registered and username and passcode, right? Thank you.
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Hi I am trying to understand RSA Secureid. Here is a token, which can provide random digit number for us to login onto a server with something like username and passcode. For example, the token has 20 numbers, each of 20 has registered with the server already. and different token has different 20 number. so when logging to server, the server will decide if we can logging based on the one of 20 numbers that has registered and username and passcode, right? Thank you.

Thank you for your reply. so the server how to know whether the number that i entered is the number that I got from the token?

Understanding RSA Secureid

Security is the protection of information systems from theft or damage to the hardware, the software, and the information on them, as well as from disruption or misdirection of the services they provide. The main goal of security is protecting assets, and an asset is anything of value and worthy of protection.  Information Security is a discipline of protecting information assets from threats through safeguards to achieve the objectives of confidentiality, integrity, and availability or CIA for short. On the other hand, disclosure, alteration, and disruption (DAD) compromise the security objectives.

Security

Encryption is the process of encoding messages or information in such a way that only authorized parties can read it. In an encryption scheme, the intended communication information or message, referred to as plaintext, is encrypted using an encryption algorithm, generating ciphertext that can only be read if decrypted. For technical reasons, an encryption scheme usually uses a pseudo-random encryption key generated by an algorithm. An authorized recipient can easily decrypt the message with the key provided by the originator to recipients, but not to unauthorized interceptors.

Encryption

A virtual private network (VPN) is a network that uses a public telecommunication infrastructure, such as the Internet, to provide remote offices or travelling users access to a central organizational network securely. VPNs encapsulate data transfers using secure cryptographic methods and other security mechanisms to ensure that only authorized users can access the network and that the data cannot be intercepted.