{"title": "OpenAI Introduces Daybreak Cybersecurity Program to Counter Anthropic's Claude Mythos Project", "body": ["OpenAI recently unveiled Daybreak, a new cybersecurity program positioned as a direct rival to Anthropic's Project Glasswing. The latter employs Anthropic's upcoming AI system, Claude Mythos Preview, to bolster clients' defenses against cyber threats. Early results have been encouraging; for instance, Mozilla reported in April that Mythos identified and resolved 271 security flaws in the most recent Firefox version. According to OpenAI, Daybreak leverages multiple AI tools from its portfolio, such as the dedicated security tool Codex."], ["During the reveal, OpenAI described Daybreak as a framework emphasizing the integration of cyber protections directly into software development processes, rather than solely focusing on post-development vulnerability detection and remediation. The program seeks to target critical risks first, shorten evaluation periods from hours to mere minutes, automate patch creation and testing within code repositories, and deliver comprehensive, verifiable reports to client environments. As an illustration, OpenAI demonstrated how Codex Security can examine a software repository, confirm top-priority threats, and implement corrections."], ["Daybreak incorporates GPT-5.5 for broad applications and a variant called GPT-5.5 with Trusted Access for Cyber to handle key security tasks, such as reviewing code for safety, prioritizing vulnerabilities, dissecting malware, developing detection mechanisms, and verifying fixes. Additionally, it employs GPT-5.5-Cyber to offer early access to advanced features for activities like sanctioned adversarial simulations, security probing, and supervised assessments. OpenAI has partnered with entities including Cloudflare, Cisco, CrowdStrike, Palo Alto Networks, Oracle, and Akamai to advance this effort."]}