Security Data Lake Architecture -- Cribl Alternatives

Best Cribl Alternatives for Building a Security Data Lake in 2026

A security data lake architecture uses a data pipeline to route security telemetry to cost-effective storage for long-term retention, forensic investigation, and compliance. Rather than sending all data to an expensive SIEM, organizations route high-value data to the SIEM for real-time detection and full-fidelity data to a data lake for long-term storage and ad-hoc analysis. These Cribl alternatives help build this architecture with different approaches to data routing and storage.

How It Works

1

Design Data Lake Architecture

Choose your data lake storage platform (S3, Azure Blob, Azure Data Explorer, Snowflake, etc.) and define your data schema and partitioning strategy. Plan for data retention periods, access patterns, and query requirements for security investigation and compliance.

2

Configure Dual-Destination Routing

Set up your data pipeline to route data to both your SIEM (optimized, reduced data for real-time detection) and your data lake (full-fidelity data for long-term retention and forensics). The pipeline becomes the fan-out point for your security data architecture.

3

Normalize and Partition Data

Transform data into a common schema (OCSF, ECS, or custom) before writing to the data lake. Partition data by time, source type, and severity to optimize query performance. Add metadata tags for efficient filtering during investigations.

4

Set Up Data Lake Analytics

Deploy a query engine (Azure Data Explorer, Athena, Trino, or Spark) to enable ad-hoc security analysis and threat hunting against the data lake. Create saved queries and dashboards for common investigation workflows.

5

Implement Data Lifecycle Management

Configure automated data lifecycle policies: hot storage for recent data (0-30 days), warm storage for investigation-relevant data (30-90 days), cold storage for compliance retention (90 days to years), and automated deletion after retention periods expire.

Top Recommendations

#1

Azure Data Explorer

Enterprise Data Pipeline

Pay-as-you-go (compute + storage) / Reserved capacity discounts

The most complete security data lake solution with petabyte-scale storage, powerful KQL analytics, and native integration with Microsoft Sentinel. Provides both storage and analytics in a single platform at lower cost than SIEM retention.

#2

Vector

Open Source Data Pipeline

Free (open source, MPL 2.0)

High-performance open-source pipeline ideal for routing data to data lake storage (S3, Azure Blob, GCS). Rust-based throughput handles the high data volumes required for full-fidelity data lake ingestion.

#3

Tenzir

Open Source Data Pipeline

Free (open source) / Enterprise support available

Security-native pipeline with built-in support for PCAP and network telemetry formats, essential for comprehensive security data lake architectures that include network forensics data alongside log telemetry.

#4

Fluentd

Open Source Data Pipeline

Free (open source) / Commercial support via vendors

Proven open-source collector with plugins for all major object storage and data lake destinations. S3, GCS, Azure Blob, and HDFS output plugins enable reliable data lake ingestion at scale.

#5

Datadog Observability Pipelines

Cloud Data Pipeline

From $0.10/GB processed / Enterprise custom

Managed pipeline with built-in data lake routing and sensitive data scanning. Ensures PII and sensitive data are detected and redacted before reaching the data lake, addressing compliance requirements.

Detailed Tool Profiles

Azure Data Explorer

Enterprise Data Pipeline
4.3

Microsoft's fast data analytics service for real-time analysis of streaming security data

Pricing

Pay-as-you-go (compute + storage) / Reserved capacity discounts

Best For

Microsoft-centric organizations wanting a scalable security data lake with powerful KQL analytics at lower cost than SIEM

Key Features
Real-time streaming data ingestionKusto Query Language (KQL) analyticsPetabyte-scale data storageNative Azure and Microsoft 365 integration+4 more
Pros
  • +Massive scale at lower cost than SIEM solutions
  • +KQL compatibility with Microsoft Sentinel
  • +Excellent performance for ad-hoc security analysis
Cons
  • Not a dedicated data pipeline — more analytics-focused
  • Requires Azure ecosystem investment
  • Limited data transformation during ingestion
Cloud

Vector

Open Source Data Pipeline
4.4

High-performance open-source observability pipeline built in Rust by Datadog

Pricing

Free (open source, MPL 2.0)

Best For

Teams wanting the highest-performance open-source pipeline with Rust-based reliability for high-throughput data routing

Key Features
High-performance Rust-based engineLogs, metrics, and traces processingVRL (Vector Remap Language) transformsEnd-to-end acknowledgements+4 more
Pros
  • +Exceptional performance from Rust implementation
  • +Low resource footprint for high throughput
  • +Powerful VRL transform language
Cons
  • VRL has a learning curve
  • Smaller plugin ecosystem than Fluentd
  • Datadog ownership raises vendor neutrality concerns
Open SourceSelf-Hosted

Tenzir

Open Source Data Pipeline
4

Open-source security data pipeline with native support for security-specific data formats

Pricing

Free (open source) / Enterprise support available

Best For

Security teams wanting an open-source, security-native data pipeline with transparent code and no vendor lock-in

Key Features
Open-source pipeline engineNative security format support (PCAP, Zeek, Suricata)Pipeline-as-code configurationSTIX/TAXII threat intelligence integration+4 more
Pros
  • +Fully open-source with transparent codebase
  • +Purpose-built for security data and formats
  • +No vendor lock-in or licensing costs
Cons
  • Smaller community than established alternatives
  • Fewer pre-built integrations than Cribl
  • Requires more operational expertise to deploy
Open SourceCloudSelf-Hosted

Fluentd

Open Source Data Pipeline
4.3

Open-source unified data collector and log aggregator from the CNCF ecosystem

Pricing

Free (open source) / Commercial support via vendors

Best For

Cloud-native teams wanting a lightweight, proven open-source data collector with a massive plugin ecosystem

Key Features
Unified logging layer800+ community pluginsLightweight resource footprintBuffering and retry mechanisms+4 more
Pros
  • +Massive plugin ecosystem (800+ plugins)
  • +Lightweight and efficient resource usage
  • +CNCF graduated — proven in production at scale
Cons
  • Limited transformation capabilities vs. dedicated pipelines
  • Configuration can be complex for advanced use cases
  • Ruby-based performance limitations at very high scale
Open SourceSelf-Hosted

Datadog Observability Pipelines

Cloud Data Pipeline
4.2

Managed observability pipeline for routing and transforming telemetry data at scale

Pricing

From $0.10/GB processed / Enterprise custom

Best For

Organizations already using Datadog that want managed pipeline capabilities with enterprise support and monitoring

Key Features
Data routing and transformationBuilt on open-source VectorManaged pipeline monitoringData volume optimization+4 more
Pros
  • +Tight integration with Datadog ecosystem
  • +Built on proven open-source Vector engine
  • +Managed monitoring and alerting for pipelines
Cons
  • Best value within Datadog ecosystem
  • Per-GB processing costs can add up
  • Fewer transformation capabilities than Cribl
CloudSelf-Hosted

Security Data Lake Architecture FAQ

What is a security data lake and how does it differ from a SIEM?

A security data lake stores full-fidelity security data in cost-effective object storage (like S3 or Azure Blob) for long-term retention and ad-hoc analysis. A SIEM provides real-time detection, alerting, and investigation on a subset of security-relevant data. The two are complementary: the SIEM handles real-time detection on optimized data, while the data lake provides comprehensive storage for forensics, threat hunting, and compliance at a fraction of the cost of retaining all data in the SIEM.

How much cheaper is a security data lake compared to SIEM retention?

Security data lake storage typically costs 5-20x less than equivalent SIEM retention. S3 Standard storage costs approximately $0.023/GB/month compared to SIEM ingest costs of $1-5/GB. Azure Data Explorer provides both storage and analytics at significantly lower cost than Splunk or Sentinel for long-term data. Organizations that move long-term retention from SIEM to data lake commonly save 60-80% on data storage costs.

Can I search and investigate data in a security data lake?

Yes, but the query experience differs from a SIEM. Azure Data Explorer provides KQL-based analytics that are familiar to Sentinel users. AWS Athena and Trino enable SQL-based queries against S3 data. The tradeoff is that data lake queries typically have higher latency than SIEM searches (seconds to minutes vs. sub-second). Data lakes excel at ad-hoc investigations and threat hunting over historical data, while SIEMs are better for real-time alert-driven investigation.

How does Azure Data Explorer fit into a security data lake architecture?

Azure Data Explorer serves as both the storage and analytics layer for a security data lake. It ingests streaming data at high throughput, stores it with flexible retention policies, and provides powerful KQL analytics for security investigation. It is particularly compelling for organizations using Microsoft Sentinel, as KQL queries transfer directly between the two platforms. ADX can handle petabyte-scale data at significantly lower cost than keeping all data in Sentinel.

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