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How Block is building AI-powered security with OpenAI technology

AnnouncementProductOct 14, 2026

Block, the company behind Square, Cash App, and Afterpay, is using OpenAI Daybreak and Codex to accelerate security operations. Reported results include a 50% boost in triage throughput, roughly 1,100 analyst-hours of automated investigation per quarter, and proposed patches for high-level vulnerabilities generated in 18 minutes. The team replays detection changes against seven months of telemetry in under an hour, with humans validating results and routing tasks to appropriate models.

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Evidence

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Citation chain · 1 source

OpenAICompanyCodexModelBlockCompanySquareCompanyCash AppCompanyAfterpayCompanyOpenAI DaybreakModel
Canonical: https://openai.com/index/block-ai-powered-security/