Qwiet AI provides AI-powered application security solutions designed to detect and remediate vulnerabilities across the full software development lifecycle. Founded in 2016 and acquired by Harness in 2023, the company serves Fortune 500 organisations across healthcare, finance, retail, and technology sectors.
The preZero platform unifies multiple security scanning capabilities into a single solution. It uses Code Property Graph technology combined with reachability analysis and exploitability filters to scan custom code, APIs, open-source components, containers, and secrets. The platform delivers SAST and SCA capabilities alongside container security, SBOM generation, and secrets detection. According to the company, the platform achieves a 97% true positive rate and reduces false positives by 90%.
Qwiet AI emphasises automation throughout the vulnerability lifecycle. The platform includes AutoFix capabilities for automated remediation, claiming a 95% reduction in remediation time. The company positions itself around shifting security left in the development process, aiming to help teams identify and address vulnerabilities without compromising development velocity.






