End of support notice: Amazon Managed Blockchain (AMB) will stop accepting new customers on October 29, 2026. Existing customers can continue using Amazon Managed Blockchain (AMB) until September 29, 2027. After September 29, 2027 you will no longer be able to access Amazon Managed Blockchain (AMB). For more information, see [Amazon Managed Blockchain (AMB) end of support](https://docs.aws.amazon.com/managed-blockchain/latest/hyperledger-fabric-dev/managed-blockchain-end-of-support.html).

# Amazon Managed Blockchain (AMB) Hyperledger Fabric Security
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Amazon Managed Blockchain (AMB) utilizes AWS features and the features of the open-source framework running on AMB Access to provide data protection as well as authentication and access control.

This chapter covers security information specific to AMB Access Hyperledger Fabric. For security information specific to AMB Access Ethereum, see [AMB Access Ethereum Security](https://docs.aws.amazon.com/managed-blockchain/latest/ethereum-dev/security.html) in the *Amazon Managed Blockchain (AMB) Access Ethereum Developer Guide*.

**Topics**
+ [Data Protection for Amazon Managed Blockchain (AMB) Hyperledger Fabric](managed-blockchain-data-protection.md)
+ [Authentication and Access Control for AMB Access Hyperledger Fabric](managed-blockchain-auth-and-access-control.md)
+ [Configuring Security Groups for Amazon Managed Blockchain (AMB) Hyperledger Fabric](managed-blockchain-security-sgs.md)