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How can IAM leverage blockchain and decentralized identity for infrastructure security?

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Identity and access management (IAM) is a crucial aspect of infrastructure security, as it controls who can access what resources and how. However, traditional IAM systems face challenges such as scalability, privacy, and interoperability, especially in the era of cloud computing and distributed networks. How can IAM leverage blockchain and decentralized identity for infrastructure security? In this article, we will explore some of the trends and innovations in this field and how they can benefit both users and organizations.

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1 Blockchain and IAM

Blockchain is a distributed ledger technology that enables secure and transparent transactions without intermediaries, as well as providing a platform for decentralized identity. Decentralized identity offers several advantages for IAM, such as enhanced security through encryption and distribution across multiple nodes, improved privacy through cryptographic proofs and verifiable credentials, and increased interoperability through common standards and protocols. Blockchain can protect identity data from breaches, tampering, or theft, while also allowing users to control their own data and share with whom they trust.

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2 Decentralized identity models

Different models of decentralized identity exist, depending on how the identity data is stored, accessed, and verified. Self-sovereign identity (SSI) is the most radical model, where users own and manage their own identity data with decentralized identifiers (DIDs) and personal data stores (PDSs). Edge identity is a hybrid model, where users store their identity data on their own devices but rely on third-party services or networks for verification and authentication. Cloud identity is more centralized, with users storing their identity data on cloud-based platforms or services. Biometric or behavioral factors, such as face recognition or voice patterns, can be used to unlock devices and access identities. Decentralized protocols or platforms like DIDComm or Sovrin can be used to communicate and exchange credentials with other parties. Blockchain-based solutions such as Civic or uPort can enhance security and privacy.

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3 IAM use cases and benefits

Decentralized identity can offer various advantages for IAM, such as simplifying and streamlining access management. Users can use their own DIDs and credentials to access multiple resources and services without passwords or multiple accounts, reducing the risk of identity theft or fraud. Additionally, decentralized identity can improve identity verification by allowing users to prove their identity and attributes with verifiable credentials, while controlling what they share and with whom. Furthermore, decentralized identity can facilitate compliance and audit, as users and organizations can store and track their identity transactions and activities on blockchain, enabling transparency and accountability.

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How can IAM leverage blockchain and decentralized identity for infrastructure security?

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1 Blockchain and IAM

2 Decentralized identity models

3 IAM use cases and benefits

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