ENGCOM-2344: [Forwardport] magento/magento2#16685 Updated security issues details #16803

 - Merge Pull Request magento/magento2#16803 from storefront-bvba/magento2:up-port-pull-16685
 - Merged commits:
   1. 4869672

Author: magento-engcom-team

README.md

@@ -58,7 +58,7 @@ To learn more about issue gate labels click [here](https://github.com/magento/ma
 
 <h2>Reporting security issues</h2>
 
-To report security vulnerabilities in Magento software or web sites, please e-mail <a href="mailto:security@magento.com">security@magento.com</a>. Please do not report security issues using GitHub. Be sure to encrypt your e-mail with our <a href="https://info2.magento.com/rs/magentoenterprise/images/security_at_magento.asc">encryption key</a> if it includes sensitive information. Learn more about reporting security issues <a href="https://magento.com/security/reporting-magento-security-issue">here</a>.
+To report security vulnerabilities in Magento software or web sites, please create a Bugcrowd researcher account <a href="https://bugcrowd.com/magento">there</a> to submit and follow-up your issue. Learn more about reporting security issues <a href="https://magento.com/security/reporting-magento-security-issue">here</a>.
 
 Stay up-to-date on the latest security news and patches for Magento by signing up for <a href="https://magento.com/security/sign-up">Security Alert Notifications</a>.