Hello
Can we use Katalon for vulnerability testing ?
As far as I am aware, no.
You may want to bring your web app on AWS and test it using Amazon Inspector:
2 Likes
Found the article below from our Support portal which reinforce Kazurayam’s answer…
https://support-beta.katalon.com/s/article/Katalon-Test-Cloud-Security-FAQ
And FYI, “vulnerability testing” is not a common topic within our forum so it would greatly help if you can give us a brief explanation of what it is as well.
Cheers 
Browser advised me that the URL
https://support-beta.katalon.com/s/article/Katalon-Test-Cloud-Security-FAQ has a potential security risk. Browser advised me to notify the website’s administrator about this. So do I.
