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AWS Key Management Service Reviews

User Rating

4.9/5 (Based on 37 Ratings)

Rating Distribution

  • Excellent

    86.5%
  • Very Good

    13.5%
  • Average

    0%
  • Poor

    0%
  • Terrible

    0%

Do You Use AWS Key Management Service?

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Reviews
AP

Atharva P

July 18, 2026 Source: G2.com
Seamless, Centralized Encryption Across AWS with Strong Key Management
What do you like best about AWS Key Management Service (KMS)?What I like most about AWS KMS is how seamlessly it enables encryption across AWS services while abstracting away the complexity of managing cryptographic keys. It offers centralized key management, automatic key rotation, granular IAM policies, audit logging through CloudTrail, and hardware security module (HSM)-backed protection. What do you dislike about AWS Key Management Service (KMS)? Recommendations to others considering AWS Key Management Service (KMS)?Because it integrates natively with most AWS services, implementing encryption feels straightforward and often doesn’t require changes to application code.What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?While AWS KMS is straightforward for standard encryption needs, it can take some time to fully understand customer-managed keys, key policies, grants, and cross-account access. If your applications perform a very high volume of encryption operations, it’s also worth factoring in API request costs.
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ms

mani s

June 1, 2026 Source: G2.com
Centralized, Secure Key Management That Makes AWS Encryption Easy
What do you like best about AWS Key Management Service (KMS)?I use AWS Key Management Service for encryption and secure key management across AWS services. I mainly use it to encrypt sensitive data stored in S3. The best thing I like about AWS Key Management Service is that it provides centralized encryption key management with strong security and access control. It also integrates seamlessly with AWS services, which has made encryption much easier for me.What do you dislike about AWS Key Management Service (KMS)?There isn’t any major dislike I have about AWS Key Management Services; it’s a good product overall.What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?It solves the problem of encrypting data stored in S3, which is a major benefit. It removes the complexity of manually creating, storing, and rotating the key. Overall, it helps us encrypt our organization’s data more easily.
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AU

Anonymous User

May 19, 2022 Source: G2.com
"Easy to use and well integrated with rest of AWS services"
What do you like best about AWS Key Management Service (KMS)?

Was very easy to create a key to be able to encrypt/decrypt an rds database. The granularity of security is also good to decide who has access to the key. The built-in key rotation is also a nice feature.

What do you dislike about AWS Key Management Service (KMS)?

Nothing at the moment. It was very easy to setup for my needs and did not have any problems yet.

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

Centralizing keys in AWS. Do not have to use external systems to maintaining this portion and the integration is great.

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AU

Anonymous User

May 17, 2022 Source: G2.com
"100% Uptime gives you peace of mind"
What do you like best about AWS Key Management Service (KMS)?

The service uptime gives you peace of mind and that is very important for such a critical service like key management. If your whole infrastructure is based in AWS, then KMS is a no brainer but keep in mind that this service will tie you up to it forever.

What do you dislike about AWS Key Management Service (KMS)?

The somewhat cumbersome API when you don't use the java SDK. I mean, I have used the node.js SDK and it works fine but the API is not very "idiomatic" and looks like a JAVA SDK.

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

KMS will solve the generation and storage of keys for you, also will solve you any encryption need as long as you don't need to do a ton of encrypt/decrypt operations.

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AU

Anonymous User

May 10, 2020 Source: G2.com
"Great service to encrypt data in aws"
What do you like best about AWS Key Management Service (KMS)?

This service is the enabler for all other services that AWS uses to encrypt your data, eg s3, rds, kinesis and such. I use it for parameter store to encrypt api keys and its really simple and does it job good for that

What do you dislike about AWS Key Management Service (KMS)?

I dont really have anything that I believe I dislike with the service

Recommendations to others considering AWS Key Management Service (KMS):

This is a must have service when you edploy own code

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

To encrypt different keys and password for applications instead of having them in clear as env variables

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AU

Anonymous User

April 8, 2019 Source: G2.com
"Pretty and Easy to Use"
What do you like best about AWS Key Management Service (KMS)?

We have a policy where Bring Your Own Key is required for confidential data in the cloud and AWS has streamlined the process for us.

What do you dislike about AWS Key Management Service (KMS)?

When we import an encryption key for usage in another account that other account is not able to reference our key by key alias natively. It should be easy enough for AWS to add the ability to reference an encryption key by key alias across accounts.

Recommendations to others considering AWS Key Management Service (KMS):

The cloud space is constantly growing and we have found that the documentation does not always keep up with how quickly everything else progresses. If you see AWS documentation stating something is not possible, please make sure you submit a ticket to AWS first as we have found that a feature may be available, but they did not have time to update the support materials.

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

This give us the ability to migrate data and applications to the cloud, but still protect that data with a key that we own and manage.

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sq

safdar q

November 28, 2018 Source: G2.com
"helps in different key management system"
What do you like best about AWS Key Management Service (KMS)?

we have multiple products and for those can use different kms keys or share it depending upon environment

What do you dislike about AWS Key Management Service (KMS)?

I was able to create two kms with same name. had to delete one of those before i could proceed with using the right one.

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

encrypting

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AU

Anonymous User

November 28, 2018 Source: G2.com
"KMS Review"
What do you like best about AWS Key Management Service (KMS)?

I love how easy it is to work with encryption keys. I love that metadata is saved with the key so there is not much information that is required to perform a decryption operation

What do you dislike about AWS Key Management Service (KMS)?

I don't like that root is preprovisioned in the kms key policy. I understand why but I feel like enabling iam access is something that should be done explicitly by the admin and not a default.

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

encrytping secrets for all my cloud apps

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AU

Anonymous User

November 27, 2018 Source: G2.com
"Super"
What do you like best about AWS Key Management Service (KMS)?

We used kms heavily in our platform, easy to use

What do you dislike about AWS Key Management Service (KMS)?

nothing wrong we found it, its good , we did not find anhthing

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

Managing keys

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AU

Anonymous User

November 27, 2018 Source: G2.com
"Does its job"
What do you like best about AWS Key Management Service (KMS)?

It is easy to use and reliable, no problems

What do you dislike about AWS Key Management Service (KMS)?

did not envcounter any problems so far, so far positive

What problems is AWS Key Management Service (KMS) solving and how is that benefiting you?

Using this for encrypting almost any storage

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SaaSworthy may receive compensation from some vendors featured on this page. This does not influence our editorial evaluation or ratings. [email protected]

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