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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

#1 1 Mar

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

Cybersecurity: Threats and Defences
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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.

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