Matt Johnson

Matt Johnson (MongoDB): Agentic Memory, Token Costs & Data-Layer Security

MongoDB principal technologist Matt Johnson, drawing on ~20 years in cybersecurity, explains his builder-relations-style role and what enterprises need to move AI agents from POC to production: agentic memory via vector search, better tool and data access, and cost management as usage scales. He predicts usage-based billing and routing between models by task complexity, and argues that agents with direct data access shift security controls into the data layer, covering least privilege, GDPR, and multi-tenant memory isolation. On the Mythos/Fable release, he says core cyber hygiene still applies and that the security conversation returning to the boardroom is a positive.

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