IT Glossary · Identity Management
A cloud directory service is a centralised, cloud-hosted system of record for user identities, groups and device policies — the same core job on-premise Active Directory has done for decades, delivered as a subscription service with no on-premise server to run. It authenticates users into applications and devices, enforces access policy, and manages device configuration, all from the cloud rather than a domain controller sitting in your office.
On-premise Active Directory assumes devices and users are physically on, or VPN-connected to, a corporate network — that assumption has been breaking down for years as workforces went mobile, adopted Mac and Linux devices AD never fully supported, and moved their applications to SaaS platforms that AD has no native relationship with. A cloud directory service is built for the opposite starting assumption: users and devices are wherever they are, connecting over the open internet, needing to authenticate into a mix of SaaS applications, cloud infrastructure, and physical devices without a VPN tunnel back to head office. The core functions map closely to what AD does — user and group management, password policy, device configuration — but delivered through modern protocols (SAML, OIDC, SCIM for SSO and provisioning) that connect natively to thousands of SaaS applications, plus native support for managing Mac and Linux devices that Group Policy never handled well. Most cloud directory platforms also offer LDAP-as-a-Service and RADIUS-as-a-Service specifically so legacy applications and Wi-Fi/VPN infrastructure that still expect those older protocols can point at the cloud directory without being rewritten, easing the migration path from an existing AD environment.
Indian companies — particularly cloud-first SaaS startups on a Mac-heavy, Google Workspace stack, and mid-market businesses with distributed or hybrid-work teams — are increasingly finding on-premise AD a poor match for how their workforce actually operates. Standing up and maintaining a domain controller purely to manage identity for a distributed team is real infrastructure overhead for a problem a cloud directory solves without it. It also matters directly for compliance: DPDP Act and CERT-In expectations around access control and audit logging are considerably easier to demonstrate from a single cloud console with centralised MFA and access logs than from a traditional AD environment where policy enforcement may be inconsistent across sites and devices.
Related terms: Cloud Directory Service, Active Directory, Single Sign-On (SSO), LDAP, RADIUS, Multi-Factor Authentication, Zero Trust Network Access, Identity and Access Management (IAM)
They solve the same broad problem but with different scope. Entra ID (formerly Azure AD) is deeply tied to the Microsoft 365/Azure ecosystem and works best there. Independent cloud directory platforms like JumpCloud are built cloud/platform-agnostic from the start, generally with stronger native support for non-Microsoft environments — Mac, Linux, Google Workspace-centric organisations.
For most modern, cloud-first organisations, yes. The main exceptions are deeply AD-integrated legacy applications with no LDAP-compatible alternative, and file shares with complex NTFS permission structures — both usually solvable with a migration project, but worth auditing before assuming a full replacement is trivial.
Even small teams (10-50 people) commonly benefit once they're juggling more than a handful of SaaS applications with separate logins — SSO alone materially reduces both user friction and the security risk of scattered, reused passwords. Most cloud directory platforms have free or low-cost tiers specifically sized for this scale.
Via RADIUS-as-a-Service — the cloud directory exposes a cloud-hosted RADIUS server that your Wi-Fi access points authenticate against for 802.1X (certificate or credential-based) network access, replacing an on-premise RADIUS server tied to local AD without requiring any change to the access point hardware itself.
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