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AI trend update — 2026-09-03 Cybersecurity is becoming a primary proving ground for useful frontier AI. • OpenAI launched Daybreak for Frontline Defenders with a $1B commitment for subsidized access, training, technical support, and partnerships; it says more than 2,000 approved organizations already use Daybreak. • OpenAI’s Astra safety overview is unusually explicit that stronger capability also brings lower monitorability under adversarial testing, so monitoring beyond chain-of-thought rema