What is LDAP? How it Works, Uses, and Security Risks | UpGuard

This report explains the LDAP protocol, its relationship to directory services like Active Directory, how clients interact with directory servers, and core operations (bind, add, modify, delete, unbind), along with DN-based directory structure and authentication methods (Anonymous, Simple, SASL/Kerberos/TLS) that enable SSO. It highlights security considerations—especially LDAP injection—and recommends mitigations such as strict server-side input validation, escaping user-controlled input, least privilege for bind accounts, and use of TLS.