Free tools are already being used to combat these alarming challenges and enabling SMEs to arm themselves against a wide range of cyber offenders. The free test just requires a website URL to start; no required installation or installation required. Free tools include a free CMS scan for WordPress, Drupal, Joomla and Magento plugins and a full scan for Open Source Software and its components. Mobile Application Security and Privacy Test is free and runs a GDPR and PCI DSS compliance test. The test is equipped with a quick OSINT discovery of subdomains, providing broader visibility of External Attack Surface Surface.
Source: https://thehackernews.com/2019/11/online-website-security-tools.html