ManageEngine DataSecurity Plus.Data discovery. Find, analyze, and track sensitive personal data—also known as PII—stored in files, folders, or shares.File server auditing. Audit, monitor, report, and alert on all file accesses and modifications made in your file server environment in real time. Storage analysis. Analyze and identify redundant, outdated, and trivial (ROT) data to de-clutter your file server and cut storage costs.