Detect PerimeterX
PerimeterX is a provider of scalable, behavior-based threat protection technology for the web, cloud, and mobile.
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Websites using PerimeterX
67 hostnames in the PluginView corpus for this technology.
| Hostname | Last seen |
|---|---|
| bloomberg.com | 8/6/2026 |
| target.com | 8/3/2026 |
| investors.com | 8/7/2026 |
| thehill.com | 8/3/2026 |
| calm.com | 8/3/2026 |
Whole list · $6.70 (67 × $0.10)
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What a detection means
- Establishes
- One or more public signals on the scanned page matched a known PerimeterX signature at the time of the scan.
- Does not establish
- A sitewide install of PerimeterX, an active vendor contract, exclusive use, or that PerimeterX is still in place today.
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How to check a site for PerimeterX
- 1. Enter the website URL in the scan form — homepage, pricing, checkout, or login pages usually expose the strongest PerimeterX signals.
- 2. PluginView reads only public responses and scores them against proprietary PerimeterX fingerprints. Rule bodies and identifiers are not published.
- 3. Review the confidence score and text explanation for PerimeterX on the results page.
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FAQ: detecting PerimeterX
- Can PluginView detect PerimeterX without logging in?
- Yes. PluginView only reads publicly accessible responses when checking for PerimeterX. It does not bypass authentication or paywalls.
- What category is PerimeterX?
- PerimeterX is classified under Security in the PluginView directory.
- Does PluginView publish PerimeterX fingerprint rules?
- No. Detection uses proprietary fingerprint rules that are not published. Scan results explain matches in plain language without disclosing rule bodies or identifiers.
