Things To Know About Strong Customer Authentication

 

Strong customer authentication is one of the technologies that you should embrace in your business if you want to improve the security of your data and business systems. It confirms user identity reliably and safely, never solely based on shared secrets/symmetric keys like passwords, recovery questions and codes.

Strong customer authentication assumes that credential phishing and impersonation attacks are inevitable and robustly repels them. Even though multi-factor authentication remains among the best ways to establish who trusted users are, actual strong authentication goes beyond either two-factor authentication or multifactor authentication.

When you are implementing multifactor authentication, at a minimum, you follow the National Institute for Standards and Technology (NIST) Assurance Level-2 for admin functions. What this means is that you use two factors: something you know, like a code or password, and something you have, like a push notification or a one-time passcode generated by a registered device.

If possible, you can increase to NIST Assurance Level-3 for most critical assets, meaning that 2FA with something you know like a password, along with a hardware-based cryptographic token, like a FIDO key or smart card.

The nature of the factors very crucial. This is because actual strong customer authentication never relies solely on shared secrets/symmetric keys at any point. This includes codes, passwords, and recovery questions. Strong authentication also robustly repels credential phishing and impersonation. Even though wary users are always welcome, strong customer authentication assumes these attacks are inevitable and prevents them.

It is also crucial for strong authentication to be scalable and easy to use. In a modern world, there is no meaningful strong customer authentication or zero trust security if there is no easy online translation for everyday users. Strong customer authentication builds trust in a user identity, something that helps minimize social engineering attacks.

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