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IBM QRadar SIEM Overview
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- Core Components
- QRadar is a security information and event management solution acquired by IBM in 2011
- Four types of rules: Event, Flow, Common, and Offense
- QIDs provide unique identifiers for events from external devices
- Reference Sets contain asset information for filtering and alerting
- Rule Types and Responses
- Event rules monitor real-time events with specific filters
- Flow rules analyze packets captured via switches
- Common rules combine event and flow rule filters
- Offense rules trigger alerts based on specific conditions
- Search and Management
- Advanced querying language (AQL) enables SQL-like event searching
- Building blocks allow complex logic testing without immediate actions
- Reference sets can contain up to 300,000 elements with TTL
- Integration with various security orchestration tools available
- Benefits and Limitations
- Easy to learn due to familiar AQL interface
- Flexible search and reporting capabilities
- High event per second pricing model
- Slow support response times
- Scaling challenges with additional storage requirements