https://0xdkay.me/Dongkwan KimPersonal website of Dongkwan Kim, a Principal Security Researcher at Microsoft working on AI-powered security automation, grounded in real-world systems security. 2026-10-02T02:25:11-04:00 Dongkwan Kim https://0xdkay.me/ Jekyll © 2026 Dongkwan Kim /assets/img/favicons/favicon.ico /assets/img/favicons/favicon-96x96.png The Accelerating Gap Between Attack and Defense in the Age of AI2026-03-06T00:00:00-05:00 2026-03-06T00:00:00-05:00 https://0xdkay.me/posts/ai-accelerating-attack-defense-gap/ Dongkwan Kim The time from vulnerability disclosure to exploit has shrunk from 2.3 years to 1.6 days. AI is widening the gap between attack and defense. Team Atlanta Wins DARPA AI Cyber Challenge (AIxCC)2025-08-09T12:00:00-04:00 2025-12-14T00:00:00-05:00 https://0xdkay.me/posts/team-atlanta-wins-darpa-aixcc/ Dongkwan Kim Team Atlanta wins 1st place in DARPA's AI Cyber Challenge (AIxCC), demonstrating AI-driven vulnerability detection and patching. Thoughts on GenAI (4/4): AI Speculation2024-02-16T20:03:00-05:00 2024-02-16T20:03:00-05:00 https://0xdkay.me/posts/genai-thoughts-4-speculation/ Dongkwan Kim Why Jensen Huang emphasizes biology, how training data quantity affects AI behavior, jailbreaking LLMs with low-resource languages, and why understanding AI needs more than just coding. Thoughts on GenAI (3/4): Safe, Secure AI2024-02-16T20:02:00-05:00 2024-02-16T20:02:00-05:00 https://0xdkay.me/posts/genai-thoughts-3-safe-secure-ai/ Dongkwan Kim AI Red Teams at Microsoft, Google, and NVIDIA. Why AI security must consider safety too, lessons from DARPA AIxCC, and experiences reviewing AI services at Samsung. Thoughts on GenAI (2/4): Fake Information, Scams, and Phishing2024-02-16T20:01:00-05:00 2024-02-16T20:01:00-05:00 https://0xdkay.me/posts/genai-thoughts-2-misinformation/ Dongkwan Kim How generative AI is making fake information, scams, and phishing more convincing and harder to detect. Thoughts on GenAI (1/4): AI Development and Proof of Digital Identity2024-02-16T20:00:00-05:00 2024-02-16T20:00:00-05:00 https://0xdkay.me/posts/genai-thoughts-1-digital-identity/ Dongkwan Kim If AI gains human-like senses and learns from the same data as you, how do we prove who's real? Thoughts on AI creativity, sensory development, and digital identity. My First Ransomware Experience: eCh0raix2022-11-28T20:00:00-05:00 2022-11-28T20:00:00-05:00 https://0xdkay.me/posts/my-first-ransomware-experience/ Dongkwan Kim A friend's company got hit by eCh0raix ransomware. Here's what I learned about ransomware recovery, negotiation models, and community debates.