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AWS systems-manager medium security documentation change

Service: systems-manager · 2025-08-19 · Security-related medium

File: systems-manager/latest/userguide/security-best-practices.md

Summary

Added new 'SSM Agent installation best practices' section emphasizing correct installation methods

Security assessment

Introduces security-focused guidance about installation methods, specifically warning about vulnerabilities from incorrect procedures. Strengthens security posture through documentation.

Diff

diff --git a/systems-manager/latest/userguide/security-best-practices.md b/systems-manager/latest/userguide/security-best-practices.md
index e36ea0716..e809c6549 100644
--- a//systems-manager/latest/userguide/security-best-practices.md
+++ b//systems-manager/latest/userguide/security-best-practices.md
@@ -5 +5 @@
-Systems Manager preventative security best practicesSystems Manager monitoring and auditing best practices
+Systems Manager preventative security best practicesSSM Agent installation best practicesSystems Manager monitoring and auditing best practices
@@ -14,0 +15,2 @@ AWS Systems Manager provides a number of security features to consider as you de
+  * SSM Agent installation best practices
+
@@ -104,0 +107,24 @@ AWS regularly releases updated versions of tools and plugins that you can use in
+## SSM Agent installation best practices
+
+When installing SSM Agent, use the appropriate installation method for your machine type. In particular, use the `ssm-setup-cli` tool for all non-EC2 installations in a [hybrid and multicloud](./operating-systems-and-machine-types.html#supported-machine-types) environment. This tool provides additional security protections for non-EC2 machines.
+
+To install the agent on on-premises servers and virtual machines, use the `ssm-setup-cli` tool as described in the following topics:
+
+  * [Install SSM Agent on hybrid Linux nodes](./hybrid-multicloud-ssm-agent-install-linux.html)
+
+  * [Install SSM Agent on hybrid Windows Server nodes](./hybrid-multicloud-ssm-agent-install-windows.html)
+
+
+
+
+To install the agent on EC2 instances, use the appropriate installation procedure for your operating system type:
+
+  * [Manually installing and uninstalling SSM Agent on EC2 instances for Linux](./manually-install-ssm-agent-linux.html)
+
+  * [Manually installing and uninstalling SSM Agent on EC2 instances for macOS](./manually-install-ssm-agent-macos.html)
+
+  * [Manually installing and uninstalling SSM Agent on EC2 instances for Windows Server](./manually-install-ssm-agent-windows.html)
+
+
+
+