# Source Defense: how AI models rank it, November 2026

Gane Index, November 2026 Edition. Named in 23 judge labels across 1 category by 11 of 14 models. Page: https://www.gane.ai/index/it/vendors/source-defense

## Standing by category

| Category | Share | Rank | Negative rate | Labels |
|---|---|---|---|---|
| [Client-side protection](https://www.gane.ai/index/it/security/client-side-protection/index.md) | 2% | 8 | 26% | 23 |

## What the models said for it

- "Source Defense is the strongest default choice" (Perplexity Sonar, Client-side protection)
- "Best for organizations that rely heavily on tag managers and need to control the blast radius of third‑party scripts" (MiniMax M2.5, Client-side protection)
- "Choose Source Defense when enforcing fine-grained permissions for third-party scripts matters most." (Perplexity Sonar, Client-side protection)
- "Choose a sandboxing model like Source Defense to isolate third-party scripts" (Gemini 3.5 Flash, Client-side protection)

## And against it

- "Tools that rely solely on client-side JavaScript agents or sandboxing (such as those from vendors like JScrambler, SourceDefense, Reflectiz, and Human Security) are often criticized." (Mistral Small, Client-side protection)
- ""such as JavaScript sandboxing agents (e.g., from vendors like JScrambler, SourceDefense/Reflectiz, Human Security)" ... 7 of 14 models · 3 hard negative" (Muse Glimmer 30B, Client-side protection)
- "Vendors like SourceDefense, JScrambler, Reflectiz (in some implementations), Human Security, and otto-js have been criticized" (Kimi K2, Client-side protection)
- "similar tools from Source Defense or others ... they are ineffective against sophisticated attacks" (Grok 4.20, Client-side protection)

## By model

| Model | First choice | Alternative | Mention | Warning | Labels |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | 0 | 0 | 0 | 0 | 0 |
| GPT-5.4 mini | 0 | 0 | 0 | 0 | 0 |
| Gemini 3.5 Flash | 0 | 2 | 1 | 0 | 3 |
| Perplexity Sonar | 1 | 1 | 0 | 0 | 2 |
| Grok 4.20 | 0 | 0 | 1 | 1 | 2 |
| Mistral Small | 0 | 0 | 1 | 1 | 2 |
| DeepSeek V4 Flash | 0 | 1 | 1 | 0 | 2 |
| Llama 4 Maverick | 0 | 0 | 1 | 1 | 2 |
| Qwen 3.7 Flash | 0 | 1 | 0 | 1 | 2 |
| Kimi K2 | 0 | 1 | 1 | 1 | 3 |
| GLM 4.7 FlashX | 0 | 0 | 0 | 0 | 0 |
| MiniMax M2.5 | 0 | 1 | 0 | 0 | 1 |
| GPT-6 Luna | 0 | 1 | 0 | 0 | 1 |
| Muse Glimmer 30B | 0 | 1 | 1 | 1 | 3 |

## Sources returned with these answers

The sites and pages cited by the answers that named Source Defense, from 57 of the 59 answers that named it (only the models that return a source list).

### Domains cited

- cside.com: 36
- gane.ai/index: 36
- guideflow.com: 32
- startupstash.com: 28
- g2.com: 26
- feroot.com: 19
- akamai.com: 17
- jscrambler.com: 17
- reflectiz.com: 16
- topbusinesssoftware.com: 16

### Pages cited

- https://guideflow.com/blog/client-side-protection: 31
- https://startupstash.com/top-client-side-protection-tools: 28
- https://cside.com/blog/top-client-side-security-tools-full-guide: 21
- https://g2.com/categories/client-side-protection: 20
- https://www.gane.ai/index/it/security/client-side-protection: 20
- https://www.gane.ai/index/it/security/client-side-protection/enterprise: 18
- https://cside.com/compare: 15
- https://sansec.io/research/client-side-security: 15

## In its own words

What Source Defense's own pages state, read 2026-10-05. Stated by the vendor, not checked by the index.

- Positioning: Client-side security & data privacy platform (https://sourcedefense.com/)
- For: Merchants, merchant acquirers, payment service providers, ecommerce platform providers (https://sourcedefense.com/)
- Free plan or trial: Free Trial (https://sourcedefense.com/)
- Certifications: PCI DSS, HIPAA, CCPA, GDPR, SOC 2

## What it publishes

Every page sourcedefense.com exposes, read 2026-10-05: 574 addresses. By kind, pages and the last 90 days:

- blog: 279 pages, 18 in the last 90 days, latest 2026-09-24
- case study: 7 pages, 4 in the last 90 days, latest 2026-08-11
- webinar or virtual event: 52 pages, 5 in the last 90 days, latest 2026-08-19
- conference or event: 2 pages, 0 in the last 90 days, latest 2022-06-07
- report or ebook: 34 pages, 14 in the last 90 days, latest 2026-08-14
- comparison: 5 pages, 3 in the last 90 days, latest 2026-08-11
- glossary or explainer: 76 pages, 1 in the last 90 days, latest 2026-08-07
- podcast or video: 7 pages, 0 in the last 90 days, latest 2025-11-13
- news or press: 46 pages, 0 in the last 90 days, latest 2023-06-06
- Recent: 2026-09-24 blog: Two smart contracts reveal two ways etherhiding sustains attacks https://sourcedefense.com/resources/sd-research/two-smart-contracts-reveal-two-ways-etherhiding-sustains-attacks
- Recent: 2026-09-22 blog: 3000 site clickfix campaign built for rapid domain rotation https://sourcedefense.com/resources/sd-research/3000-site-clickfix-campaign-built-for-rapid-domain-rotation
- Recent: 2026-09-15 blog: Hipaa enforcement is increasing why third party scripts are the next big target https://sourcedefense.com/resources/hipaa-enforcement-is-increasing-why-third-party-scripts-are-the-next-big-target
- Recent: 2026-09-15 blog: Third magecart attack returns to major u s brand stores https://sourcedefense.com/resources/sd-research/third-magecart-attack-returns-to-major-u-s-brand-stores
- Recent: 2026-09-10 blog: What psps arent telling merchants about client side risk https://sourcedefense.com/resources/what-psps-arent-telling-merchants-about-client-side-risk
- Recent: 2026-09-08 blog: A holistic look at eskimming from formjacking to full funnel manipulation https://sourcedefense.com/resources/a-holistic-look-at-eskimming-from-formjacking-to-full-funnel-manipulation

## Record

- Method: https://www.gane.ai/index/it/methodology
- License: CC BY 4.0. Cite as Gane Index, November 2026 Edition, www.gane.ai/index/it.