Sonar Joins OpenAI's Daybreak Program, Deepening Collaboration on Agentic Security

Sonar has joined OpenAI’s Daybreak Defense Network, gaining governed access to GPT Cyber Models for defensive security analysis through its SonarQube Hunter Agent, with plans to extend access to additional products such as Gitar. Sonar argues that faster exploitation timelines and AI-enabled attackers require security teams to identify vulnerabilities earlier in the development process, particularly flaws that traditional pattern-based tools may miss. Hunter Agent uses structured security playbooks, multiple agents, and validation processes to analyze large codebases and produce auditable findings; Sonar reports that GPT-6.1 Sol increased complete-finding coverage by 20% over its prior production model and accelerated some scans through cached context. The company also plans to use the models in Gitar to examine changes to AI-agent instructions and tools for risks such as removed approval requirements or potential data exposure. Sonar presents the collaboration as part of a broader strategy to provide independent, repeatable verification of AI-generated code from vulnerability detection through remediation.

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