imper.ai is a commercial identity threat detection and response solution by Imper.AI. Proofpoint Identity Threat Defense is a commercial identity threat detection and response solution by Proofpoint. Features, integrations, deployment and the company behind each one, side by side.
What our shortlists say about the one we picked.
Best for: Companies wanting to find and close attack paths
Proofpoint earns its spot for teams that want to shrink the attack surface first, because it shows the shortest routes to your critical assets and helps close them. Its decoys need no agents, which keeps rollout light. It is built for mid-size and large Microsoft estates, so check coverage if you also run another identity provider.
From Best ITDR Solutions for Business, Fall 2026
Reviewed by Nika (Nikoloz) Kokhreidze.
Detects help desk impersonation & social engineering attacks in real time
Identity threat detection and response solution for account protection
See more solutions in this category, or build a security stack from your picks.
Based on what each listing shows: deployment, company size, price and open source.
imper.ai fits if you are a small business.
Common questions when comparing imper.ai vs Proofpoint Identity Threat Defense for identity threat detection and response.
imper.ai: Detects help desk impersonation & social engineering attacks in real time. Built by Imper.AI.
Proofpoint Identity Threat Defense: Identity threat detection and response solution for account protection. Built by Proofpoint.
The table above shows where their features, integrations, deployment and company size fit differ.
imper.ai is made by Imper.AI. Proofpoint Identity Threat Defense is made by Proofpoint. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. imper.ai and Proofpoint Identity Threat Defense are both Identity Threat Detection and Response products, and both cover Authentication. Use the table above to see where features, deployment and company size fit differ.
Need the answer fast? Best ITDR Solutions for Business picks Microsoft Defender for Identity, CrowdStrike Falcon Next-Gen Identity Security, SentinelOne Singularity Identity Security and 4 more.See the shortlist
