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AWS lambda documentation change

Service: lambda · 2026-04-25 · Documentation low

File: lambda/latest/dg/lambda-managed-instances.md

Summary

Added links to EC2 managed instances documentation and pricing calculator, and clarified managed instance visibility settings.

Security assessment

The change adds documentation about managed resource visibility settings, which can help users understand security controls around instance visibility. However, there is no evidence of a specific security issue being addressed; it's primarily documentation improvements and feature clarification.

Diff

diff --git a/lambda/latest/dg/lambda-managed-instances.md b/lambda/latest/dg/lambda-managed-instances.md
index e577ed620..b462dfecc 100644
--- a//lambda/latest/dg/lambda-managed-instances.md
+++ b//lambda/latest/dg/lambda-managed-instances.md
@@ -70 +70 @@ Lambda (default) compute type is multi-tenant, making use of Firecracker microVM
-Lambda Managed Instances functions run on EC2 managed instances in your account. These instances are fully managed by Lambda, which means you have restricted permissions on them compared to standard EC2 instances. You can identify Lambda Managed Instances in your account by:
+Lambda Managed Instances functions run on [EC2 managed instances](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/amazon-ec2-managed-instances.html) in your account. These instances are fully managed by Lambda, which means you have restricted permissions on them compared to standard EC2 instances. You can identify Lambda Managed Instances in your account by:
@@ -80,0 +81,2 @@ You cannot perform standard EC2 operations directly on these instances, such as
+Managed instances are hidden from your EC2 console views and API list operations by default. You can adjust the visibility using the [managed resource visibility setting](https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/amazon-ec2-managed-instances.html#managed-resource-visibility-settings). Managed instances remain fully operational and billable in your AWS account.
+
@@ -84,0 +87,2 @@ Lambda Managed Instances uses EC2-based pricing with a 15% management fee on top
+To compare the cost of running your functions on Lambda default, Lambda Managed Instances, and self-managed Amazon EC2, use the [Lambda Managed Instances pricing calculator](https://aws-samples.github.io/sample-aws-lambda-managed-instances/).
+