Behavioral biometrics that uses machine learning is behind new features being added to IBM’s Trusteer Pinpoint Detect platform, which financial institutions use to head off crooks who may have stolen the username and password of legitimate account holders.

The new feature looks for anomalies between legitimate users’ normal mouse gestures and those of the current user, and over time refines the accuracy of its analysis, says Brooke Satti Charles, Financial Crime Prevention Strategist for IBM Security.