MASWE-0029: Step-Up Authentication Not Implemented After Login

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Initial Description or Hints

An example of step-up authentication is when a user is logged into their bank account (with or without MFA) and requests an action that is considered sensitive, such as the transfer of a large sum of money. In such cases, the user will be required to provide additional information to authenticate their identity (e.g. using MFA) and ensure only the legitimate user is requesting the action.

Relevant Topics

• (ioXt) UP107 App shall re-authenticate the user when displaying sensitive PII data or conducting sensitive transactions.
• None

References

• https://developer.apple.com/documentation/localauthentication
• https://auth0.com/blog/what-is-step-up-authentication-when-to-use-it/
• https://tdcolvin.medium.com/is-firebase-auth-secure-dace0563d41b
• https://github.com/WICG/trust-token-api
• https://blog.cloudflare.com/eliminating-captchas-on-iphones-and-macs-using-new-standard/

MASTG v1 Coverage

No MASTG v1 tests are related to this weakness.