What is SQL Injection?
If you have no idea about what is SQL Injection it is basically, a very popular method which allows us to run queries on the target db. Things we can accomplished with SQL Injection is numerous, for more info visit Owasp doc from here.
What is Owasp-zap and How to Search for SQL Injection Vulnerabilities?
Owasp-zap is a powerful tool for searching web app vulns. It has simple yet powerful UI for beginners. It’s usually bundled with Pentest OSes like Kali Linux and Parrot. If you are not using any of them you can manually download it from here.