2.1 Release notes, V7.3.02.2 QRadar capabilities2.2.1 Log Activity2.2.2 Network Activity2.2.3 Assets2.2.4 Offenses2.2.5 Reports2.2.6 Data collection2.2.7 QRadar SIEM rules2.3 QRadar architecture2.3.1 Data collection2.3.2 Data processing2.3.3 Data searches2.3.4 QRadar high availability2.4 Components2.4.1 QRadar console2.4.2 QRadar event collector2.4.3 QRadar event processor2.4.4 QRadar QFlow collector2.4.5 QRadar Flow Processor2.4.6 QRadar Data Node2.4.7 QRadar events and flows2.4.8 Modules and others2.5 Preferred practices2.5.1 Regulations and compliance2.5.2 QRadar features for regulations purposes2.5.3 EPS calculation2.5.4 Optimization2.6 Requirements2.6.1 Infrastructure2.6.2 System requirements for virtual appliances2.6.3 Memory and disk space requirements2.6.4 Prerequisites for installing QRadar on your own hardware