How to Choose an ITDR Solution

Identity Threat Detection and Response (ITDR) catches identity-based attacks that prevention misses. The category is broad, so scope your need first.

1. Know which problem you are solving

• Directory security and recovery for Active Directory and Entra (detection, posture, fast forest recovery).
• Runtime identity protection that extends MFA and risk analysis everywhere, including legacy and service accounts.
• SaaS identity risk and shadow access.
• Exposure intelligence on leaked credentials and infostealer logs.

Different leaders own different halves, so naming your priority narrows the field fast.

2. Check integration with your stack

ITDR feeds and consumes signals from your IdP, EDR, and SIEM. Confirm clean integration so detections are actionable, not noise.

3. Posture vs detection vs response

Some tools find misconfigurations (posture), some detect attacks at runtime, some help you recover. Decide how much of that lifecycle you need in one product.

4. Score and pilot

Compare with the capability checker and validate detections against real scenarios.

5. Test detections against your own scenarios

Vendor demos show the detections that work. Bring your own, drawn from what actually happens:

• A valid sign-in that satisfies phishing-resistant policy but comes from a session the user did not start, for example a Windows Hello authentication with an empty device ID.
• A device code grant from a client with no business using one.
• A new OAuth consent grant to an unfamiliar application.
• A service account performing its first-ever privileged action.
• A directory change that creates an escalation path, such as a certificate template permission or new delegation right.

If a tool cannot show you these, it is watching the wrong layer.

6. Hybrid coverage is not optional

Attackers pivot between on-premises Active Directory and the cloud identity provider because the trust between them is the point of the architecture. A tool that watches one and not the other misses the path entirely. Confirm coverage of both, and confirm it correlates rather than presenting two consoles.

7. Ask about response, not just detection

Detection without a playbook produces alerts. Identity containment is different from endpoint containment: revoking refresh tokens and sessions matters more than resetting a password, because a reset leaves a stolen session alive. Ask what the product can do directly, what it hands to your identity provider, and what remains manual.

8. Prevention and resilience are separate purchases

Runtime protection that extends MFA to protocols agents cannot reach, and directory resilience that lets you recover a forest cleanly, are different products solving different halves. If budget allows only one, choose the one matching the incident you would struggle most to survive. See Silverfort vs Semperis and ISPM for the preventive posture side.

Where to start

Where to start

Browse ITDR vendors and Silverfort vs Semperis, and read about Zero Trust.