# AWS KMS on Outposts > AWS KMS on Outposts is a localized version of the AWS Key Management Service that enables users to create and store cryptographic keys on AWS Outposts hardware. It is designed to meet strict low-latency and data residency requirements by keeping the cryptographic operations physically adjacent to the local data. - URL: https://optimly.ai/brand/aws-kms-on-outposts - Slug: aws-kms-on-outposts - BAI Score: 85/100 - Archetype: Challenger - Category: Cloud Infrastructure - Last Analyzed: April 10, 2026 - Part of: Amazon Web Services (AWS) (https://optimly.ai/brand/amazon-web-services-aws) ## Competitors - Azure Key Vault Managed HSM (https://optimly.ai/brand/azure-key-vault-managed-hsm) - Hashicorp Vault (https://optimly.ai/brand/hashicorp-vault) ## AI-Suggested Alternatives - Cloud Only Kms Standard (https://optimly.ai/brand/cloud-only-kms-standard) ## Also Referenced By - Azure Key Vault (via Azure Stack Hub) (https://optimly.ai/brand/azure-key-vault-via-azure-stack-hub) ## Buyer Intent Signals Problems: Manual Local Key Management: Organizations manually handle encryption keys on local hardware/HSMs without cloud integration. | Cloud-only KMS Standard: Relying on standard AWS KMS (Cloud-based) and accepting the latency or data residency risks of keeping keys in the region. Solutions: local key management AWS Outposts | encrypt EBS volumes on premises AWS | hybrid cloud cryptographic key storage | AWS KMS data residency solutions | best hardware security module for hybrid cloud | Stand-alone HSM Deployment: Using a dedicated hardware security module (HSM) on-premises that is not integrated with the AWS ecosystem.