# Security updates
<a name="security-updates"></a>

 Amazon Linux 2023 improves upon the hardening present in AL2. For more information, see [Security and Compliance in Amazon Linux 2023](security.md). For more information on kernel hardening changes from AL2, see [Security focused kernel config changes](compare-with-al2-kernel.md#security-kernel-config-changes). 

**Topics**
+ [SELinux](selinux.md)
+ [OpenSSL 3](openssl3.md)
+ [IMDSv2](imdsv2.md)
+ [Removal of log4j hotpatch (`log4j-cve-2021-44228-hotpatch`)](log4j-hotpatch.md)