Checkmarx One Assist is a high-performance Agentic AI security platform designed to secure applications from the first line of code to the final cloud deployment. Launched in late 2025 and expanded in early 2026, it addresses a critical modern challenge: while AI coding assistants like GitHub Copilot help developers write code faster, they often inadvertently introduce vulnerabilities in over 70% of AI-generated code. Checkmarx One Assist acts as the “security brain” that operates alongside these tools, providing autonomous prevention, detection, and remediation.

The platform is organized into three specialized AI agents: Developer Assist, Policy Assist, and Insights Assist. Unlike traditional scanners that provide static reports, these agents use “Agentic AI” to reason through security signals, correlate data from SAST, SCA, and API security, and write “safe fixes” that do not break application logic. With native integration into VS Code, Cursor, and Windsurf, it brings “inner loop” security directly to the developer’s fingertips, reducing the average cost per fix by over 60% and decreasing vulnerabilities per project by half within the first year.

The tool is highly regarded for its eBPF-based runtime visibility, allowing the AI to “see” deep into kernel-level system behaviors to identify zero-day attacks and misconfigurations that agentless tools might miss. It addresses the chronic “skills gap” in cybersecurity by allowing users to ask natural language questions like “Summarize our compliance gaps for HIPAA” or “Generate a policy to block unauthorized access to my vault”. While it requires a standalone environment that can incur additional compute costs, its ability to reduce the “mean time to detect” (MTTD) by up to 40% makes it a top-tier investment for enterprises managing high-scale cloud workloads.