Netsparker is a software tool that is used for web application security testing. It is designed to identify vulnerabilities and weaknesses in web applications and to provide recommendations for how to fix those vulnerabilities.

Netsparker uses a combination of automated scanning and manual testing to identify vulnerabilities, and it is able to identify a wide range of vulnerabilities, including SQL injection, cross-site scripting (XSS), and insecure file uploads. It also provides detailed reports on the findings, including information on how to fix the vulnerabilities.

Netsparker is commonly used by web application penetration testers and cybersecurity professionals to identify and test for vulnerabilities in web applications. It is often used as part of a comprehensive security testing strategy, along with other tools and techniques.

Netsparker is developed by Netsparker Limited, a software company that specializes in web application security testing tools. It is available in both on-premises and cloud-based versions.