AI can now find vulnerabilities with internet-scale impact. Greg Brockman on why defenders can hold the advantage, what OpenAI did to secure itself, and its $1B commitment to secure critical infrastructure: "This [cyber] capability broadly diffused, I think is something that will really empower threat actors in new ways. And I think that defenders need to use this time before that technology's broadly available to secure themselves." "At OpenAI, we took 25% of our production engineers and…