Real-time security analytics on ClickHouse

ClickHouse gives security teams faster queries and longer retention on large-volume data. Build your own security platform on ClickHouse Cloud, or start with ClickHouse Security.

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Trusted by developers that work with data at scale

How ClickHouse powers security analytics

Security data is among the highest-volume, longest-lived data a company produces, and it is only useful if you can query it quickly. ClickHouse Cloud is purpose-built for that: ingest continuously, store efficiently, and search fast. Security vendors and in-house security teams already build on it.

Moving to ClickHouse Cloud has allowed us to dramatically reduce our TCO by 75% and save over 300 engineer hours a year that can be spent on building new products for our threat intelligence teams.

Our goal was never just to protect personal data. From the start, we set out to build a platform where information security, privacy and governance are part of the architecture. This creates the foundation for AI agents to evolve on real data without compromising confidentiality, compliance or trust.

With our security data in ClickHouse, our agents can draw on months of historical context and, because queries are so fast, rapidly test multiple hypotheses at scale.

From ingest to investigation, on one engine

Built for security scale

ClickHouse scales both vertically and horizontally to meet the demands of any workload — read and write — to systems with hundreds of cores and petabytes of storage. ClickHouse provides the scalability you need to effortlessly handle increasing data volumes and workloads over time.

Retain more for less

Column-oriented storage and strong compression keep far more history in the same footprint, and compute is separate from storage. Long lookbacks for threat hunts, incident reconstruction, and audits stay practical, without moving cold data to a separate system.

Search in real time

Investigations are a race against the attacker. Standard SQL and a rich library of functions turn complex hunts into simple statements, and queries run in parallel across the full dataset, so your security team gets answers while an incident is still unfolding.

Materialized views: fast answers on hot data

Query hot data fast with materialized views pre-computing your queries as data arrives.

Build your own, or start with ClickHouse Security

Get a working SIEM now. ClickHouse Security is an agentic SIEM on ClickHouse:

Hundreds of source integrations
Native pipelines, managed detections, and custom detections-as-code
A foundation for agentic workflows through MCP, API, CLI, and Slack

Or use ClickHouse Cloud as the data layer for your own security platform or product, and control the pipeline, the detection logic, and the experience.

Explore ClickHouse Security Start a 30-day trial

A ClickHouse Security investigation report: final status, analysis results, what happened and a tuning recommendation

Enterprise-grade security and compliance

ClickHouse Cloud is SOC 2 Type II and ISO 27001 certified, supports HIPAA workloads, and maintains programs addressing GDPR and CCPA. Your security logs get the same protections as the rest of your most sensitive data.

Try ClickHouse Cloud for free

See the full platform on your own data. We’ll get you started with a trial or a guided demo.

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