AD Guardian Cloud vs Silverfort Authentication Firewall: Side-by-Side Comparison (2026)

AD Guardian Cloud: IAM security suite for Office 365, Azure AD/Entra ID & on-prem AD. built by CionSystems. Core capabilities include Identity auditing for Office 365 and Entra ID, Identity monitoring and security alerting, Compliance reporting and audit reports..

Silverfort Authentication Firewall: Identity-based access control & segmentation to block lateral movement. built by Silverfort. Core capabilities include Real-time authentication monitoring and blocking, Identity-based access segmentation, Protocol-level enforcement for NTLM, Kerberos, and LDAP..

Both serve the Identity Governance and Administration market but differ in approach, feature depth, and target audience.

AD Guardian Cloud differentiates with Identity auditing for Office 365 and Entra ID, Identity monitoring and security alerting, Compliance reporting and audit reports. Silverfort Authentication Firewall differentiates with Real-time authentication monitoring and blocking, Identity-based access segmentation, Protocol-level enforcement for NTLM, Kerberos, and LDAP.

AD Guardian Cloud is developed by CionSystems. Silverfort Authentication Firewall is developed by Silverfort. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

AD Guardian Cloud and Silverfort Authentication Firewall serve similar Identity Governance and Administration use cases: both cover Active Directory. Review the feature comparison above to determine which fits your requirements.