How we built enterprise search to be secure and private

Many don’t know that “Slack” is in fact a backronym—it stands for “Searchable Log of all Communication and Knowledge”. And these days, it’s not just a searchable log: with Slack AI, Slack is now an intelligent log, leveraging the latest in generative AI to securely surface powerful, time-saving insights. We built Slack AI from the…

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[Image: An example service build graph. It shows a set of Python files building into a backend artifact and a set of TypeScript files building into a frontend artifact.]

November 6, 2025

18 min read

Build better software to build software better

@David Reed

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[Original source](https://slack.engineering/how-we-built-enterprise-search-to-be-secure-and-private/)