# Client-side protection: 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 a mid-market 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/

**Standing:** cside leads with 13% of first choices; verdict contested. 45 first choices across the direct, paraphrase, budget and scale prompts.

## First-choice share

| # | Product | Share | Negative rate | Labels |
|---|---|---|---|---|
| 1 | cside | 13% | 0% | 26 |
| 2 | Reflectiz | 11% | 19% | 32 |
| 3 | Jscrambler Webpage Integrity | 7% | 37% | 30 |
| 4 | Source Defense | 4% | 27% | 26 |
| 5 | Feroot PaymentGuard | 4% | 20% | 20 |
| 6 | Imperva Client-Side Protection | 2% | 10% | 20 |
| 7 | Cloudflare Page Shield | 0% | 17% | 12 |
| 8 | HUMAN Security | 0% | 42% | 12 |

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

- Claude Haiku 4.5: no first choice
- GPT-5.4 mini: F5 Distributed Cloud Client-Side Defense; alternatives Feroot Security Inspector, Imperva Client-Side Protection
- Gemini 3.5 Flash: Cloudflare Client-Side Security; alternatives Reflectiz, Report URI, c/side
- Perplexity Sonar: Akamai Client-Side Protection & Compliance; alternatives Jscrambler Webpage Integrity, cside
- Grok 4.1 Fast: Imperva Client-Side Protection; alternatives Akamai Client-Side Protection, Jscrambler Webpage Integrity, Source Defense
- Mistral Small: Akamai Client-Side Protection & Compliance, Jscrambler Webpage Integrity
- DeepSeek V4 Flash: Reflectiz, cside; alternatives Cloudflare's Client-Side Security
- Llama 4 Maverick: Akamai Client-Side Protection & Compliance, Jscrambler Client-Side Protection and Compliance Platform
- Qwen 3.7 Flash: CrowdStrike Falcon; alternatives Akamai Client-Side Protection, Imperva Client-Side Protection, Jscrambler Webpage Integrity, Microsoft Defender for Endpoint
- Kimi K2: Source Defense, c/side; alternatives Cloudflare Page Shield, Feroot Security
- GLM 4.7 FlashX: Jscrambler Webpage Integrity; alternatives Akamai Client-Side Protection & Compliance, Cloudflare Page Shield, Imperva Client-Side Protection
- MiniMax M2.5: Bitdefender GravityZone; alternatives CrowdStrike Falcon, Palo Alto Networks Cortex XDR, SentinelOne Singularity
- GPT-6 Luna: Sophos MDR Complete; alternatives Defender for Endpoint, Microsoft Defender for Cloud
- Muse Glimmer 30B: Bitdefender GravityZone Business Security; alternatives Bitdefender GravityZone EDR, Imperva Client-Side Protection, Source Defense

## Sources the answers cite

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

- cside.com: 58 answers, 156 citations
- sourceforge.net: 43 answers, 80 citations
- g2.com: 38 answers, 61 citations
- geeksframework.com: 25 answers, 25 citations
- slashdot.org: 23 answers, 29 citations
- reflectiz.com: 22 answers, 43 citations
- us.fitgap.com: 19 answers, 26 citations
- startupstash.com: 15 answers, 15 citations

Pages named in the most answers:

- https://cside.com/blog/top-client-side-security-tools-full-guide (47 answers)
- https://g2.com/categories/client-side-protection (26 answers)
- https://geeksframework.com/software/client-side-protection-solutions (25 answers)
- https://sourceforge.net/software/client-side-protection/for-mid-size-business (18 answers)
- https://cside.com/compare (16 answers)
- https://sourceforge.net/software/client-side-protection (16 answers)
- https://reflectiz.com/blog/pci-dss-6-4-3-11-6-1-solution-comparison (15 answers)
- https://startupstash.com/top-client-side-protection-tools (14 answers)
- https://cside.com/blog/client-side-security-ecommerce-fintech-platforms (13 answers)
- https://us.fitgap.com/search/client-side-protection-solutions (13 answers)

## Warned against

- Jscrambler Webpage Integrity: 11 of 30 labels negative. "Tools that scramble your JavaScript code (like JSObfuscator or Jscrambler)" (Gemini 3.5 Flash, negative prompt)
- Source Defense: 7 of 26 labels negative. "solutions from vendors like JScrambler, Reflectiz, Source Defense, and Human Security ... often fail to block the majority of sophisticated e-skimming attacks" (Qwen 3.7 Flash, negative prompt)
- Reflectiz: 6 of 32 labels negative. "Tools to Avoid on a Tight Budget - Reflectiz, Feroot, DomDog, Jscrambler" (DeepSeek V4 Flash, budget prompt)
- HUMAN Security: 5 of 12 labels negative. "Popular vendors include Human Security, SourceDefense, JScrambler, and Reflectiz. ... JS agents detect behavior after a script has already executed." (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.