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Cybersecurity

40 summarised stories about Cybersecurity, each linking back to the original source. Browse all topics →

Monday, 22 December 2025

Continuously hardening ChatGPT Atlas against prompt injection

OpenAI Blog 6 months ago

OpenAI is using automated red teaming with reinforcement learning to identify and patch prompt injection vulnerabilities in ChatGPT Atlas before attackers can exploit them. The system runs a continuous discover-and-patch cycle that finds novel exploits early in the development process. This approach hardens the browser agent's defenses as it takes on more autonomous tasks.