After July 2021, the 2.3.x release line no longer received quality updates or user guide updates. PHP 7.3 reached end of support in December 2021, and Adobe Commerce 2.3.x reached end of support in September 2022. We strongly recommend upgrading to Adobe Commerce 2.4.x to help maintain PCI compliance.
Security
This site contains archived merchant documentation for a version of Adobe Commerce and Magento Open Source that has reached end-of-support.
The documentation available here is intended for historical reference only and is not maintained.
The Adobe Commerce Merchant Documentation for current releases is published on the Adobe Experience League.
In this section of the guide, you will learn security best practices, as well as how to manage Admin sessions and credentials, to implement CAPTCHA, and to manage website restrictions.
Make sure to set up a Security Scan for each domain in your Magento installation. Also, visit the Security Center and join the Security Alert Registry for the latest news about potential vulnerabilities and best practices.
