Obsidian ITDR vs SentinelOne Singularity Identity Security: Side-by-Side Comparison (2026)

Obsidian ITDR: SaaS ITDR platform for detecting & responding to identity threats. built by Obsidian Security. Core capabilities include Out-of-the-box detection rules mapped to MITRE ATT&CK framework, ML-based threat detection informed by incident response engagements, Customizable detection rules with automated backtesting..

SentinelOne Singularity Identity Security: Identity threat detection and response platform for hybrid environments. built by SentinelOne. Core capabilities include Unified endpoint and identity telemetry collection via single agent, Real-time detection of credential theft and privilege escalation, Active Directory and cloud identity provider monitoring..

Both serve the Identity Threat Detection and Response market but differ in approach, feature depth, and target audience.

Obsidian ITDR differentiates with Out-of-the-box detection rules mapped to MITRE ATT&CK framework, ML-based threat detection informed by incident response engagements, Customizable detection rules with automated backtesting. SentinelOne Singularity Identity Security differentiates with Unified endpoint and identity telemetry collection via single agent, Real-time detection of credential theft and privilege escalation, Active Directory and cloud identity provider monitoring.

Obsidian ITDR is developed by Obsidian Security. SentinelOne Singularity Identity Security is developed by SentinelOne. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Obsidian ITDR integrates with Google (Google Workspace), Microsoft 365 (O365), Okta, SIEM platforms, SOAR platforms. SentinelOne Singularity Identity Security integrates with Active Directory, Microsoft Entra ID, Okta, Ping Identity, SecureAuth and 1 more. Check integration compatibility with your existing security stack before deciding.

Obsidian ITDR and SentinelOne Singularity Identity Security serve similar Identity Threat Detection and Response use cases: both are Identity Threat Detection and Response tools. Review the feature comparison above to determine which fits your requirements.