Today's news highlights significant shifts in AI leadership, product innovations, and security vulnerabilities. OpenAI has made GPT-5.6 Luna the default model, enhancing user experience while Oracle's ban on AI-generated code raises eyebrows in the developer community. Additionally, the alarming exposure of Rockwell PLCs emphasizes the urgent need for cybersecurity in critical infrastructure.

• OpenAI makes GPT-5.6 Luna the default model for users.
• Oracle bans AI-generated code from OpenJDK, stirring controversy.
• Over 4,400 Rockwell PLCs exposed, raising cybersecurity alarms.
• Generative UI aims to enhance AI response interfaces.
• Visa acquires BioCatch for fraud prevention, strengthening security.