--- title: "Cloud Infrastructure Entitlement Management — Identity…" description: "Cloud Infrastructure Entitlement Management (CIEM) tools discover, visualize, and right-size the permissions that human and machine identities have across…" lang: en json-ld: | [ { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://idsync.com/" }, { "@type": "ListItem", "position": 2, "name": "Glossary", "item": "https://idsync.com/glossary" }, { "@type": "ListItem", "position": 3, "name": "Cloud Infrastructure Entitlement Management", "item": "https://idsync.com/glossary/ciem" } ] }, { "@context": "https://schema.org", "@type": "DefinedTerm", "@id": "https://idsync.com/glossary/ciem", "name": "Cloud Infrastructure Entitlement Management", "alternateName": [ "CIEM", "CIEM", "Cloud Entitlement Management", "Cloud Permissions Management" ], "description": "Cloud Infrastructure Entitlement Management (CIEM) tools discover, visualize, and right-size the permissions that human and machine identities have across cloud providers (AWS, Azure, GCP) — closing the gap between what identities are *granted* and what they actually *use*.", "url": "https://idsync.com/glossary/ciem", "inDefinedTermSet": "https://idsync.com/glossary" } ] --- [![IDSync — identity software buyer platform](/assets/idsync-logo-BKS89EW4.png)](/) [Directory](/directory) [Compare](/compare) [Resources](/resources) [Browse tools](/directory)[Run Stack Finder](/stack-finder) 1. [Home](/) 2. [Glossary](/glossary) 3. Cloud Infrastructure Entitlement Management Cloud Security # Cloud Infrastructure Entitlement Management (CIEM) Cloud Infrastructure Entitlement Management (CIEM) tools discover, visualize, and right-size the permissions that human and machine identities have across cloud providers (AWS, Azure, GCP) — closing the gap between what identities are \*granted\* and what they actually \*use\*. Last reviewed 3 months ago Key points - CIEM exists because cloud IAM is too permissive by default: most identities use less than 5% of the permissions they hold. - Core capabilities: identity inventory across clouds, effective-permission analysis, least-privilege recommendations, anomaly detection. - Adjacent to CSPM (config posture), CNAPP (workload + posture + identity), and ITDR (identity threat detection). - Leading tools: Wiz CIEM, Microsoft Entra Permissions Management (ex-CloudKnox), Sonrai, Ermetic (now Tenable), Permiso. - Critical for multi-cloud orgs and any environment with hundreds of IAM roles, service principals, or service accounts. ## What is CIEM? Cloud Infrastructure Entitlement Management (CIEM) is the discipline (and the tooling category) of managing **who and what can do what** across AWS, Azure, GCP, and other cloud platforms. It exists because cloud IAM grew faster than anyone could govern it: a mid-size AWS environment routinely has thousands of roles, hundreds of policies, and machine identities outnumbering humans 10:1 or 50:1. CIEM tools answer questions native cloud consoles can't answer cleanly: - _Who in our org can read this S3 bucket — directly, transitively, or via cross-account assume-role?_ - _Which of our 4,000 IAM roles haven't used 90% of their permissions in 90 days?_ - _Which service principals have privilege-escalation paths into production?_ - _Which non-human identities are over-permissioned and idle — i.e. attack-surface waiting to be abused?_ ## How it works CIEM platforms ingest IAM configuration via cloud APIs, correlate it with **actual usage** (CloudTrail, Azure Activity Logs, GCP Audit Logs), and compute the **effective permissions** for every identity. They then: 1. Surface least-privilege recommendations ("this role uses S3:GetObject on 3 buckets, drop the wildcard"). 2. Flag privilege-escalation paths and toxic combinations. 3. Detect anomalies (an identity suddenly using IAM:CreateAccessKey for the first time). 4. Feed entitlements into [IGA](/glossary/iga) workflows for periodic certification. ## When buyers care - Multi-cloud environments where native tooling doesn't cross account/tenant boundaries. - Cloud-heavy startups whose engineers grant `_:_` to "make it work" and never trim. - Regulated industries needing evidence of least privilege (SOC 2 CC6, ISO 27001 A.9, PCI 7). - Anyone moving toward [Zero Trust](/glossary/zero-trust) for cloud workloads. ## CIEM vs adjacent categories | Category | Focus | | --- | --- | | **CSPM** | Misconfigurations (open S3, public Postgres) | | **CIEM** | Identity entitlements (who can do what) | | **CWPP** | Workload runtime protection | | **CNAPP** | All of the above, unified | | **ITDR** | Detection & response on identity attack paths | ## Editorial note CIEM dashboards look impressive in demos. The hard part is operationalizing the recommendations: who owns trimming a role, who approves it, and how do you avoid breaking pipelines? Buyers should ask about workflow integrations (Jira, ServiceNow), IaC integration (suggesting changes to Terraform/CloudFormation), and how the tool handles ephemeral identities (Lambda execution roles, GitHub Actions OIDC). ## Standards & references - [Gartner: CIEM definition](https://www.gartner.com/en/information-technology/glossary/cloud-infrastructure-entitlement-management-ciem) IDSync provides educational buyer guidance based on publicly available information, editorial review, and user-submitted data. Vendor information should be verified before purchase. [Who we are, our methodology & disclosure policy](/about). ### One identity concept, explained per issue Get vendor-neutral identity explainers and market updates in your inbox. Work email\* Name Company Role (optional) Interests (optional) Pick what you want more of. IAMCIAMSSO/MFAIGA/PAMSCIM/provisioningAI agent identityVendor updatesSecurity incidents Subscribe Twice-monthly identity digest. Curated, vendor-neutral. Unsubscribe any time. ### Vendor categories [ciem](/directory/category/ciem)[iga](/directory/category/iga)[cloud security](/directory/category/cloud-security) ### Related terms [non human identity](/glossary/non-human-identity)[iga](/glossary/iga)[zero trust](/glossary/zero-trust) ### Not sure which tool you need? Run the IAM Stack Finder for a vendor-neutral shortlist tailored to your stack. [Run the Stack Finder](/stack-finder) ### Explore tools for this topic Browse vetted vendors in the ciem category. 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