
Matt Knight
@embeddedsec
VP @OpenAI
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Congratulations to Team Atlanta for winning @DARPA and @ARPA_H’s AI Cyber Challenge. @OpenAI models were their top three! #aixcc


Introducing GPT-5 Our best AI system yet, rolling out to all ChatGPT users and developers starting today. openai.com/index/introduc…
gpt-oss is out! we made an open model that performs at the level of o4-mini and runs on a high-end laptop (WTF!!) (and a smaller one that runs on a phone). super proud of the team; big triumph of technology.
Excited to give the closing keynote at the @BlackHatEvents AI Summit in one hour. Come learn about how we’re equipping the security team with LLMs @OpenAI.
Had a blast discussing LLMs, security, and LLM security with fellow generative AI security pals @vijaybolina @JasonDClinton and @a16z’s Joel de la Garza: a16z.com/podcast/securi…

I’m giving a talk at #RSAC2024 on how LLMs like GPT-4 can help scale security programs. Will have a few examples from our own program @OpenAI, including how we’re compensating for their limitations when integrating them. 9am Monday at Moscone South 308. See you there!
shoutout to @zemnmez for handling this report, coming up with the fixes, and managing the disclosure. bugcrowd.com/openai if you want to help us secure our products!
Great report on a really well-handled responsible disclosure. Talk to us! chat.openai.com/.well-known/se…
I've been getting to know Bluetooth recently, and it is a scary place :) github.com/skysafe/reblog…
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I deeply regret my participation in the board's actions. I never intended to harm OpenAI. I love everything we've built together and I will do everything I can to reunite the company.
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Well whatthefreq! Did it. Congrats. A lifetime win. We have given out 5 over the years. Happy to add to the black badge alumni @defcon see you at the next con for @rf_ctf

Still can't believe we won the black badge @defcon! Couldnt have been done without my awesome team WhatTheFreq! Thank you @rfhackers for putting on an awesome CTF.

Book signing of "Practical IoT Hacking" with co-authors @calderpwn and @beauwoods - @nostarch booth @defcon

Dear friends, Reverse Rett San Francisco charity gala is tomorrow! A few tickets left. If you're in SF, we would love to see you (JAX Vineyards 2-6pm). If not, our daughter Maya & all girls with Rett would greatly appreciate your support in finding a cure reverserett.org/events/reverse…

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