# Client-side protection for enterprise buyers: what AI models recommend, October 2026

IT AI Recommendation Index, October 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 an enterprise B2B company. Added to the October 2026 Edition on October 4, 2026; its answers are read by the distilled judge (ai-indexes-judge-qwen3-14b-run3), not the claude-opus-5 judge of the earlier categories. Page: https://it-ai-index.com/security/client-side-protection/enterprise/

**Standing:** cside leads with 17% of first choices; verdict contested. 52 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | cside | 17% | 4% | 26 |
| 2 | Reflectiz | 10% | 26% | 27 |
| 3 | Microsoft Defender for Endpoint | 8% | 0% | 10 |
| 4 | Feroot PaymentGuard | 8% | 20% | 15 |
| 5 | Source Defense | 8% | 25% | 24 |
| 6 | Imperva Client-Side Protection | 6% | 15% | 26 |
| 7 | Feroot Security | 6% | 0% | 15 |
| 8 | Cloudflare Page Shield | 6% | 14% | 14 |
| 9 | Jscrambler Webpage Integrity | 4% | 25% | 28 |
| 10 | HUMAN Security | 2% | 36% | 14 |

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

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: OWASP Penetration Testing Kit; alternatives Coraza, ModSecurity, OWASP CRS
- Gemini 3.5 Flash: HUMAN Security, Jscrambler Webpage Integrity, Reflectiz; alternatives Cloudflare Page Shield, cside
- Perplexity Sonar: Akamai Client-Side Protection & Compliance; alternatives Feroot PaymentGuard, Imperva Client-Side Protection, cside
- Grok 4.1 Fast: Imperva Client-Side Protection; alternatives Feroot Security, HUMAN Security
- Mistral Small: Imperva Client-Side Protection
- DeepSeek V4 Flash: Akamai Client-Side Protection & Compliance, Source Defense; alternatives Cloudflare Page Shield, Feroot Security, HUMAN Security, Imperva Client-Side Protection
- Llama 4 Maverick: Imperva Client-Side Protection; alternatives Beagle Security
- Qwen 3.7 Flash: CrowdStrike; alternatives Microsoft, Palo Alto Networks, SentinelOne Singularity Endpoint
- Kimi K2: Feroot PaymentGuard, cside; alternatives Akamai Page Integrity Manager, Cloudflare Page Shield, Imperva Client-Side Protection, Jscrambler Webpage Integrity
- GLM 4.7 FlashX: Cloudflare Page Shield; alternatives Feroot Security, HUMAN Client-Side Supply Security, Imperva Client-Side Protection, Jscrambler Webpage Integrity
- MiniMax M2.5: CrowdStrike Falcon; alternatives Microsoft Defender for Endpoint, SentinelOne Singularity Endpoint, Sophos Intercept X, Trellix
- GPT-6 Luna: Jscrambler Webpage Integrity; alternatives CrowdStrike Falcon, Microsoft Defender for Endpoint, Reflectiz
- Muse Glimmer 30B: Source Defense, cside; alternatives Akamai Client-Side Protection, Imperva Client-Side Protection

## Sources the answers cite

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

- cside.com: 58 answers, 140 citations
- us.fitgap.com: 40 answers, 52 citations
- g2.com: 31 answers, 47 citations
- startupstash.com: 29 answers, 29 citations
- akamai.com: 25 answers, 33 citations
- sourceforge.net: 23 answers, 36 citations
- topbusinesssoftware.com: 23 answers, 30 citations
- slashdot.org: 23 answers, 26 citations

Pages named in the most answers:

- https://cside.com/blog/top-client-side-security-tools-full-guide (48 answers)
- https://startupstash.com/top-client-side-protection-tools (29 answers)
- https://us.fitgap.com/search/client-side-protection-solutions/enterprise (29 answers)
- https://g2.com/categories/client-side-protection (20 answers)
- https://f6s.com/software/category/client-side-protection (17 answers)
- https://slashdot.org/software/client-side-protection/f-enterprise (16 answers)
- https://akamai.com/products/client-side-protection-compliance (15 answers)
- https://geeksframework.com/software/client-side-protection-solutions (15 answers)
- https://us.fitgap.com/search/client-side-protection-solutions (14 answers)
- https://imperva.com/products/client-side-protection-csp (12 answers)

## Warned against

- Reflectiz: 7 of 27 labels negative. "such as JavaScript sandboxing agents (e.g., from vendors like JScrambler, SourceDefense/Reflectiz, Human Security)" (Grok 4.1 Fast, negative prompt)
- Jscrambler Webpage Integrity: 7 of 28 labels negative. "Tools/Approaches to Avoid Entirely or as Standalone Solutions:
- Purely Browser-Based JavaScript Agents/Sandboxing (e.g., client-side EDR-like tools or script obfuscators)" (Grok 4.1 Fast, negative prompt)
- Source Defense: 6 of 24 labels negative. "such as JavaScript sandboxing agents (e.g., from vendors like JScrambler, SourceDefense/Reflectiz, Human Security)" (Grok 4.1 Fast, negative prompt)
- HUMAN Security: 5 of 14 labels negative. "enterprises are advised to avoid treating pure client-side JavaScript agents... vendors that position themselves solely as browser-side Magecart monitors such as Human Security" (Muse Glimmer 30B, negative prompt)

## Record

- Method: https://it-ai-index.com/methodology/
- Raw judge labels and full responses: https://it-ai-index.com/data/
- License: CC BY 4.0. Cite as IT AI Recommendation Index, October 2026 Edition, it-ai-index.com.