Challenge Overview

Fraud attempts often involve unusual login behavior such as rapid login attempts, device changes, or location anomalies.

Challenge Objective

Build an authentication anomaly detection system that identifies suspicious login patterns.

Problem Scope

Focus specifically on login behavior anomalies.

Key Issues

• No detection of unusual authentication sequences.
• Rapid reset attempts go unflagged.
• Suspicious login patterns are not detected early.

Guiding Questions

• What patterns indicate account takeover attempts?
• How can anomalies be detected in real time?
• How can suspicious events trigger protective actions?

What Teams Should Design and Build

A system capable of:

• detecting unusual login activity
• triggering security alerts or restrictions

Solutions May Include

• login velocity detection