# Client-side protection: what AI models recommend, November 2026

Gane Index, November 2026 Edition. Asked as "client-side protection tool" and as "tool to monitor third-party scripts on payment pages", six framings each, to fourteen models with search on, on behalf of a mid-market B2B company. Added to the November 2026 Edition. Page: https://www.gane.ai/index/it/security/client-side-protection/2026-11

**Standing:** cside leads with 18% of first choices; verdict contested. 49 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| Rank | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | [cside](https://www.gane.ai/index/it/vendors/cside/index.md) | 18% | 4% | 28 |
| 2 | [Cloudflare Page Shield](https://www.gane.ai/index/it/vendors/cloudflare-page-shield/index.md) | 16% | 14% | 29 |
| 3 | [Feroot Security](https://www.gane.ai/index/it/vendors/feroot-security/index.md) | 10% | 4% | 25 |
| 4 | [Reflectiz](https://www.gane.ai/index/it/vendors/reflectiz/index.md) | 10% | 31% | 32 |
| 8 | [Source Defense](https://www.gane.ai/index/it/vendors/source-defense/index.md) | 2% | 26% | 23 |
| 12 | [Feroot PaymentGuard](https://www.gane.ai/index/it/vendors/feroot-paymentguard/index.md) | 2% | 29% | 14 |
| 17 | [Akamai Client-Side Protection & Compliance](https://www.gane.ai/index/it/vendors/akamai-client-side-protection-compliance/index.md) | 0% | 10% | 20 |
| 18 | [Imperva Client-Side Protection](https://www.gane.ai/index/it/vendors/imperva-client-side-protection/index.md) | 0% | 25% | 20 |
| 25 | [HUMAN Security](https://www.gane.ai/index/it/vendors/human-security/index.md) | 0% | 28% | 18 |
| 26 | [Jscrambler Webpage Integrity](https://www.gane.ai/index/it/vendors/jscrambler-webpage-integrity/index.md) | 0% | 36% | 33 |

Rank is by share of first choices among all 109 products named; products with the same share are tied, and the order among them carries no meaning. The table lists those with at least 10 labels.

## Each model's first choice on the direct prompt

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: no first choice
- Gemini 3.5 Flash: Reflectiz; alternatives Cloudflare Page Shield, Feroot Security, Jscrambler Webpage Integrity
- Perplexity Sonar: Source Defense; alternatives Akamai Client-Side Protection & Compliance, Jscrambler Webpage Integrity
- Grok 4.20: cside; alternatives Feroot Security, Reflectiz
- Mistral Small: Feroot Security, cside; alternatives Akamai Client-Side Protection & Compliance, otto-js
- DeepSeek V4 Flash: Feroot Security; alternatives Cloudflare Page Shield, Reflectiz, cside
- Llama 4 Maverick: no first choice
- Qwen 3.7 Flash: Feroot Security; alternatives Akamai Client-Side Protection & Compliance, Cloudflare, HUMAN Security, Source Defense
- Kimi K2: Feroot Security, Reflectiz; alternatives cside
- GLM 4.7 FlashX: cside; alternatives Feroot Security, Imperva Client-Side Protection, Microsoft Defender for Cloud, Reflectiz
- MiniMax M2.5: CrowdStrike Falcon, Microsoft Defender for Endpoint; alternatives ESET Endpoint Security
- GPT-6 Luna: Microsoft Defender for Cloud; alternatives Sophos Intercept X
- Muse Glimmer 30B: cside; alternatives Reflectiz

## Sources the answers cite

67 of 84 answers came back with a source list, from 14 of 14 models. Sites named in the most answers:

- cside.com: 40 answers, 84 citations
- g2.com: 29 answers, 58 citations
- gane.ai/index: 28 answers, 39 citations
- guideflow.com: 27 answers, 27 citations
- sourceforge.net: 19 answers, 27 citations
- feroot.com: 17 answers, 34 citations
- reflectiz.com: 17 answers, 28 citations
- startupstash.com: 17 answers, 19 citations

Pages named in the most answers:

- https://guideflow.com/blog/client-side-protection (26 answers)
- https://g2.com/categories/client-side-protection (22 answers)
- https://gane.ai/index/it/security/client-side-protection (21 answers)
- https://cside.com/blog/top-client-side-security-tools-full-guide (19 answers)
- https://startupstash.com/top-client-side-protection-tools (17 answers)
- https://cside.com/compare (15 answers)
- https://topbusinesssoftware.com/categories/client-side-protection (13 answers)
- https://g2.com/discussions/what-is-the-highest-rated-client-side-protection-software-for-it-teams-prioritizing-compliance-over-feature-complexity (13 answers)
- https://gane.ai/index/it/security/client-side-protection/smb (10 answers)
- https://sansec.io/research/client-side-security (9 answers)

## Warned against

- Jscrambler Webpage Integrity: 12 of 33 labels negative. "JavaScript-based obfuscation, minification, or code scramblers (e.g., JScrambler, similar tools from Source Defense or others)... Use only for IP protection (if needed), not security." (Grok 4.20, negative prompt)
- Reflectiz: 10 of 32 labels negative. "Client-side monitoring, sandboxing, or behavioral detection tools (e.g., those from Reflectiz, Feroot, Human Security, Imperva Client-Side Protection, Source Defense) ... ineffective against sophisticated attacks" (Grok 4.20, negative prompt)
- Source Defense: 6 of 23 labels negative. "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, negative prompt)
- HUMAN Security: 5 of 18 labels negative. "avoid treating browser-resident JavaScript agents, script scramblers/obfuscators, and Human Security / SourceDefense / Reflectiz / Jscrambler-style runtime monitors as a primary or standalone defense" (Muse Glimmer 30B, negative prompt)

## Movement since October 2026

Floor: 11 points of share, measured on the calibration repeat.
Same leader: cside at 18%.

- Feroot Security: 0% to 10%, +10. Inside the floor by 1 point · rank 23 → 3 of 109.
- Cloudflare Page Shield: 7% to 16%, +9. Inside the floor by 2 points · rank 3 → 2 of 109.
- Akamai Client-Side Protection & Compliance: 7% to 0%, −7. Inside the floor by 4 points · rank 5 → 17 of 109.
- Jscrambler Webpage Integrity: 7% to 0%, −7. Inside the floor by 4 points · rank 8 → 26 of 109.
- cside: 13% to 18%, +5. Inside the floor by 6 points · rank 1 of 109, unchanged.
- Feroot PaymentGuard: 7% to 2%, −5. Inside the floor by 6 points · rank 4 → 12 of 109.
- Source Defense: 4% to 2%, −2. Inside the floor by 9 points · rank 9 → 8 of 109.
- Imperva Client-Side Protection: 2% to 0%, −2. Inside the floor by 9 points · rank 11 → 18 of 109.
- Reflectiz: 11% to 10%, −1. Inside the floor by 10 points · rank 2 → 4 of 109.
- HUMAN Security: 0% to 0%, ±0. Inside the floor by 11 points · rank 30 → 25 of 109.

## 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.