Description
"Sudo mode" is a security feature which allows web applications to ask users to reenter their passwords before performing some critical task (unless they have reentered it "recently").

I asked around in the Symfony Slack and some people said that it'd be great to add this to Symfony core ... but others disagree arguing that it's trivial to implement it yourself. So, let's discuss about this feature. Thanks!

Example
GitHub for example uses it: