Pro ASP.NET Core Identity: Under the Hood with Authentication and Authorization in ASP.NET Core 5 and 6 Applications

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021

A. FreemanPro ASP.NET Core Identity https://doi.org/10.1007/978-1-4842-6858-2_20

20. Lockouts and Two-Factor Sign-Ins

Adam Freeman¹  

(1)

London, UK

 

In this chapter, I describe how account lockouts are supported and explain the mechanisms behind two-factor authentication. Table 20-1 puts these features into context.

Table 20-1.

Putting Lockouts and Two-Factor Sign-Ins in Context

Question	Answer
What are they?	Lockouts prevent a user from signing in after a specified number of failed attempts. Two-factor sign-ins require the user to provide additional credentials during the sign-in process.
Why are they useful?	Both features are intended to improve security. Lockouts ...