IBM QRadar is described as 'IBM® Security QRadar® SIEM consolidates log source event data from thousands of devices endpoints and applications distributed throughout a network. It performs immediate normalization and correlation activities on raw data to distinguish real threats from false' and is a Cloud Computing service in the business & commerce category. There are more than 10 alternatives to IBM QRadar, not only websites but also apps for a variety of platforms, including Self-Hosted, Linux, Windows and SaaS apps. The best IBM QRadar alternative is Hudson Rock, which is free. Other great sites and apps similar to IBM QRadar are Qualys Cloud Platform, Exabeam, Unified VRM by NopSec and Palo Alto AutoFocus.