# eFax

[3 tracked vendors](https://thirdpartyindex.com/vendors/efax#used-by) name eFax as a subprocessor, including [Fastmail](https://thirdpartyindex.com/vendors/fastmail), [Infrascale](https://thirdpartyindex.com/vendors/infrascale) and [Noom](https://thirdpartyindex.com/vendors/noom). We have not found a subprocessor list published by eFax. We monitor 3 of its documents, which we last checked on 2026-11-12.

eFax (efax.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/efax
- Documents last verified: 2026-11-12
- Transparency rating: 27/100 (how much it publishes, not how secure it is): Subprocessor list 0/30 (not found); Processing locations 0/8 (no list); Purposes 0/7 (no list); Data processing addendum 0/12 (not found); Trust center 8/8; Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 0 tracked vendors directly, 0 within two hops, 0 within three; 3 tracked vendors rely on it directly, 9 within two hops, 18 within three
- Cite as: eFax, Third Party Index, https://thirdpartyindex.com/vendors/efax (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://security.consensus.com/ | 2026-11-11 | 2026-11-07 |
| Privacy policy | https://www.efax.com/legal | 2026-11-12 | 2026-11-06 |
| Security page | https://www.efax.com/features/security | 2026-11-12 | 2026-11-06 |

## Subprocessors (0)

No subprocessor list has been found or read for this vendor.

## Web Technologies

eFax's homepage made 185 requests to 34 domains, 17 services controlled by another company, and 10 domains not identified. Loaded on 2026-11-08 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data.

17 third parties by category: Analytics 5 (ZoomInfo, Clay, LinkedIn, G2.com; usually detected as Analytics: Cloudflare); Advertising 3 (Microsoft, MNTN, Inc., OpenAI); Marketing automation 3 (PathFactory, 6Sense Insights, Inc.; usually detected as Marketing automation: Adobe); CDN 2 (UNPKG, jsDelivr); Tag managers 1 (Google Cloud); A/B Testing 1 (Optimizely); Geolocation 1 (ipify); Unclassified 1 (addShoppers, Inc.). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these.

### Third parties (17)

- PathFactory: 21 requests to pathfactory.com; PathFactory
- Adobe: 14 requests to typekit.net
- Microsoft: 9 requests to clarity.ms, bing.com; Microsoft Advertising
- Cloudflare: 8 requests to cloudflare.com
- Google Cloud: 6 requests to doubleclick.net, google.com, googletagmanager.com; Google Tag Manager
- ZoomInfo: 6 requests to zoominfo.com, zi-scripts.com; Zoominfo
- Clay: 4 requests to claydar.com; Clay Web Intent
- MNTN, Inc.: 4 requests to mountain.com; Mountain
- LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag
- OpenAI: 3 requests to openai.com; ChatGPT Ads Measurement Pixel
- G2.com: 2 requests to g2.com, g2crowd.com; G2 Track Your Prospects
- Optimizely: 2 requests to optimizely.com; Optimizely
- 6Sense Insights, Inc.: 1 request to 6sense.com; 6sense
- UNPKG: 1 request to unpkg.com; Unpkg
- addShoppers, Inc.: 1 request to safeopt.com
- ipify: 1 request to ipify.org; ipify
- jsDelivr: 1 request to jsdelivr.net; jsDelivr

### Unknown (10)

Domains not identified yet: cptn.co, nytrng.com, shop.pe, d2mjzob2nc713b.cloudfront.net, mczbf.com, 52.71.121.170, addshoppers.s3.amazonaws.com, engage-x.io, tvscipixel.com, tvspix.com

### First party (1)

- eFax: 69 requests to efax.com; Adobe Fonts, Amazon Web Services, Bootstrap, Cloudflare, Cloudflare Turnstile, Font Awesome, Google Analytics, Gravity Forms, HSTS, HockeyStack, Max Mega Menu, Microsoft Clarity, MySQL, Open Graph, PHP, Priority Hints, RSS, React, ResolvePay, Salesforce Marketing Cloud Account Engagement, Typekit, WP Rocket 3.24, WPML 5.3.0, WordPress, WordPress Block Editor, Yoast SEO 28.8, anime.js 3.1.0, core-js 3.33.3, jQuery 3.7.1, jQuery Migrate 3.4.1, jQuery UI 1.14.2, styled-components 5.3.11

12 tracked companies loaded by the homepage are not in eFax's subprocessor list. A website can use a service without it processing customer data.

## Subprocessor of (3)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [Fastmail](https://thirdpartyindex.com/vendors/fastmail.md): Support services and Business operations
- [Infrascale](https://thirdpartyindex.com/vendors/infrascale.md): Inbound Fax (USA); Marketing and Sales Enablement
- [Noom](https://thirdpartyindex.com/vendors/noom.md): Used for sending/receiving prior authorizations. Data elements: health data, sensitive demographic data.

---

Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api