IBM QRadar SIEM

What it does

Custom data sources

The product supports custom parsers and event collection from REST APIs through its Universal Cloud REST API.checked 5 Oct 2026

Data collection

QRadar SIEM can receive events through protocols including syslog, syslog-tcp, and SNMP, and supports network flow sources such as NetFlow, IPFIX, sFlow, and J-Flow.checked 5 Oct 2026

Deployment

IBM lists on-premises hardware and virtual appliances, with detailed infrastructure control, as QRadar SIEM deployment options.checked 5 Oct 2026

Integrations

IBM says QRadar SIEM has more than 700 supported integrations and partner extensions, and its integrations page describes more than 450 autodetected DSM modules.checked 5 Oct 2026

Intended users

IBM describes QRadar SIEM as a tool for security teams and security operations centers responding to threats and investigating incidents.checked 5 Oct 2026

Notable limit

The pricing page says QRadar SIEM licensing eliminates hidden log and daily index volume limits; its Enterprise model includes unlimited log-event ingestion.checked 5 Oct 2026

Purpose

QRadar SIEM centralizes security visibility to support real-time threat detection, compliance, and security team response.checked 5 Oct 2026

Security and compliance

IBM says QRadar SIEM helps provide evidence of compliance with applicable regulatory statutes and internal audits.checked 5 Oct 2026

Sigma rules

The product natively supports thousands of open-source Sigma rules that analysts can import as threats evolve.checked 5 Oct 2026

Support

IBM Software Subscription and Support includes access to software versions, releases, and fixes, plus 24x7x365 technical support.checked 5 Oct 2026

Support access requirement

Accessing IBM Support requires registration, an IBM Customer Number, and site administrator approval.checked 5 Oct 2026

User and entity analytics

Its behavior analytics helps identify anomalous activity and risky users and entities using behavior baselines and risk profiles.checked 5 Oct 2026