Roark, a startup part of Y Combinator's W25 cohort, is focused on addressing the challenges associated with testing voice AI technology, aiming to streamline the process for developers and organizations. However, the recent demo has raised significant concerns about security practices demonstrated, particularly regarding authentication methods that seemingly rely on prompt engineering. Critics argue that the security issues were not genuinely resolved, but rather obscured, which poses substantial risks especially given its application in sensitive industries like banking. These critiques highlight the tension between innovation in voice AI and the critical need for robust security protocols.