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Antimatter
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Antimatter

Data security startup acquired by Databricks in March 2026 as part of the Lakewatch SIEM build.

Last refreshed: 17 April 2026 · Appears in 1 active topic

Key Question

What exactly did Antimatter build that made Databricks want it for a SIEM?

Timeline for Antimatter

#117 Apr

Mentioned in: Google closes $32bn Wiz deal; 38 M&A

Cybersecurity: Threats and Defences
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Common Questions
What did Antimatter do before being acquired by Databricks?
Antimatter was a data-security startup providing encryption, access control and data-governance capabilities for AI and ML workloads. Databricks acquired it in March 2026 alongside SiftD.ai to build its Lakewatch SIEM product.Source: SecurityWeek

Background

Antimatter was acquired by Databricks in March 2026 alongside SiftD.ai to form the foundation of Lakewatch, Databricks' new Security Information and Event Management (SIEM) product. Antimatter specialised in data-security controls for AI workloads, providing encryption, access control and data-governance capabilities for organisations running sensitive data through ML pipelines.

The Antimatter acquisition is part of a broader consolidation wave in cybersecurity M&A: SecurityWeek counted 38 transactions in March 2026 alone, with data-platform and AI-adjacent companies acquiring point security products at pace. Databricks' strategic thesis is that security analytics should be built on the same data-lakehouse infrastructure as other enterprise workloads, rather than isolated SIEM deployments.

For Antimatter's existing enterprise customers, the acquisition integrates its data-security controls directly into the Databricks platform. For the wider security market, the deal is one data point in the consolidation arc that also saw Google close its $32 billion Wiz acquisition in the same month.