This pop-up means there has been a potentially suspicious sign-in attempt to the Krisp app through your account dashboard. The system has successfully detected it. You, in your turn, prevented a hacker from malicious actions and from gaining access to your information.
Make your Krisp usage more secure! You are not using the latest version of Krisp app. Please update to Krisp version 1.31.22 on Mac and 1.31.4 on Windows for a more secure sign-in process.
As a matter of additional precaution, sign out of your Krisp account dashboard on any untrusted device.