Dawnguard provides an AI-powered platform for cloud security architecture design and validation. The company focuses on enabling "shift-left" security by embedding security controls at the design phase rather than addressing issues after deployment. The platform operates through three main stages: analyzing existing cloud architectures from diagrams, documents, or Infrastructure as Code (IaC); collaborating in real-time with AI-powered insights, risk detection, and recommendations during the design process; and deploying validated architectures with auto-generated production-ready IaC. Dawnguard automatically maps existing cloud setups from code, evaluates architectures for security weaknesses, and provides recommendations for improvements during the design phase. The platform generates Infrastructure as Code that can be immediately implemented, aiming to prevent security and design flaws from reaching production environments. The company targets organizations building cloud infrastructure, with particular focus on CISOs, CTOs, and security teams. The platform addresses the challenge of manual security architecture reviews and scattered documentation by providing automated validation and enforcement of security design principles. Dawnguard launched from stealth with $3 million in funding and positions its approach as "secure by design" rather than reactive security management. The company was founded by professionals with experience at the intersection of security, AI, and cloud technologies.