Explore the findings of a user study on login notifications and their effectiveness in protecting user accounts. Delve into users' comprehension, reactions, and expectations when interacting with these security measures. Examine two experimental treatments: one focusing on user-initiated logins and another simulating malicious access attempts using statistical sign-in information. Discover insights into users' ability to identify legitimate logins and their challenges in halting unauthorized access. Learn about the identified problems and gain valuable recommendations for service providers to enhance the usability and security of login processes for all users.