HCL AppScan for Application Security Testing. To minimize attack exposure, adopt a scalable security test strategy that can identify and fix application vulnerabilities at every stage of the development process. HCL AppScan provides the best security testing tools available to protect your business and customers from attack. Rapidly identify, understand, and fix security vulnerabilities. App vulnerability detection and remediation is key to avoiding problems. Cloud-based application security testing suite for performing static, dynamic, and interactive testing on web and mobile. Multi-user, multiapp dynamic application security (DAST), large-scale, multiuser, multi-app security for applications (DAST), to identify, understand, and remediate vulnerabilities and attain regulatory compliance.