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AI-powered vendor risk assessments - faster, sharper, and built to scale.

Perimeter automates vendor risk assessments from document intake to validation - now powered by Perimeter AI, our agentic engine that reads across multiple documents, cites every answer back to its source, and reduces timelines from weeks to minutes.

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From Intake to Insight —
We've Got It Covered

Pre-Assessment
Assessment
Post Assessment
Talk to an Expert

Pre-Assessment

Vendor Intake & Onboarding

Streamline vendor onboarding with custom workflows that give procurement and risk teams instant visibility into third-party profiles and risk levels.

Build the Right Assessment

Use Perimeter’s robust template library (NIST, ISO, SIG, HIPAA, ESG) or create your own - from basic questionnaires to complex frameworks.

Tier Vendors by Risk

Automatically categorize vendors by risk level with configurable workflows - so you can prioritize resources and diligence where it matters most.

Assessment

Upload. Assess. Done.

Instead of starting with a 300-question survey, vendors upload their documentation into Perimeter’s secure platform.

Perimeter AI: Multi-Source, Fully Cited

Our agentic AI reads across multiple documents and pages to answer complex questions, cites the exact source for every response, and flags conflicts or gaps - so reviewers reason from evidence, not guesswork.

Real-Time Validation with ThreatScape

Perimeter’s ThreatScape module checks vendor internet-facing assets and validates that responses align with real-world security posture.

Vendor Review & Finalization

Vendors confirm or edit the pre-filled responses and fill in any remaining gaps. No more back-and-forth over every question.

Fast, Verified Reviews

The completed assessment returns to your team, fully cited, fully validated - and ready for quick review.

Year n+1 in a Fraction of the Time

Recurring assessments carry prior answers forward, so renewal reviews focus on what changed - not what didn't. Reviewers can accept a prior answer, an AI suggestion from new documents, or enter their own, with full source history on every question.

Post Assessment

Risk Remediation, Automated

Issues are automatically generated based on findings - so you can document risks and track remediation with ease.

Continuous Monitoring

Perimeter continuously monitors vendor posture - alerting you to material changes in real time.

Analytics That Power Decisions

Custom dashboards surface the trends, risks, and metrics that matter - giving you full control and visibility across your vendor network.

What's New in Perimeter AI

  • Multi-Source Citations
  • Partial-Answer Surfacing
  • Conditional Logic
  • Prior Answers
  • Native Document Viewer
  • Answer Source/History

What Users Say

Yan S.
Manager of Cybersecurity Operations
Customer Experience is Great!

The Perimeter team has been incredibly receptive to feedback and requests for help. Perimeter has been essential to us being able to track and be able to complete security assessments.

Jaimin P.
Senior Risk Manager
Best Vendor Management Tool!

Perimeter was very fast for our team to implement and start using. They also have an unlimited user model, which works in our favor, and the platform is straightforward to use.

Ryan K.
Principal Consultant
GREAT ASSESSMENT PLATFORM

Perimeter is an extremely easy-to-use and flexible assessment platform. The tool is agnostic to any one methodology. It can be customized to your company’s specific rule sets to measure vendor’s risk or leverage one of Perimeter’s templates. Their support team is super helpful if you want to get more detailed, and the team is always willing to help walk you through something.

Bella R.
Senior Cybersecurity Risk Manager
Perimeter has great features!

Perimeter provides a user-friendly interface, customizable workflows, integration capabilities with other systems, and its ability to centralize and manage vendor information effectively.

Danny F.
Account Executive
I consider Perimeter experts!

Perimeter is intuitive and the knowledge base helps a ton with responding to RFP's and client assessments that we receive. As a salesperson, it is super helpful to have pre-approved responses that we can leverage to respond to questions.

Robert P.
Director of Security
Vendor Risk Management made simple

Perimeter ensures we are answering questions from different clients the same, and also saves us a lot of time to do it.

Omar C.
Information Systems Security Manager
Great tool for our company

The integration with Excel sheets and the ability to work with websites seamlessly has been a tremendous asset for me on audits.

Nupur V.
System Security Analyst
Excellent with Data Processing

The Perimeter team was really proactive in engaging with requirements. I would say very comitted and positive team. They were also flexible with the changing requirements and delivered the product within the project timeline.

Derek P.
Information Security Analyst
I didn't know I needed it, now I have to have it

If you want a tool that comes pre-populated and you can start using day one, get this one. If you want a tool and is highly customizable and can quickly be modified to suit your needs. If you want a tool that has excellent support, use this one. I'm certain there are things that Perimeter doesn't do excellently, but I haven't found them yet.