Client-side protection · November 2026 Edition
Source Defense vs Feroot PaymentGuard
One of fourteen models named Source Defense first on the direct prompt; zero named Feroot PaymentGuard. Source Defense was named by eleven of the fourteen models and Feroot PaymentGuard by ten and Source Defense carries 23 labels and Feroot PaymentGuard 14, so the shares are not directly comparable.
Named in one category this edition.
Named in one category this edition.
First-choice share2%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate26%29%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#5#6A position in a field of 10; printed, not drawn.
Labels2314A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Source Defense reading right to left. Rank and label count are printed, not drawn.cside vs Source Defense · cside vs Feroot PaymentGuard · Cloudflare Page Shield vs Source Defense
Share is the count of first choices across the direct, paraphrase, budget and scale prompts over all fourteen models, for a mid-market B2B company; rank is within the category; every quote names the model and the prompt it came from. Both figures come from the client-side protection page.
By framing
How many of the fourteen models made each the first choice, per way of asking, and how many argued against it.
Source DefenseFirst choices, of fourteen modelsFeroot PaymentGuard
Direct10
Paraphrase01
Comparative001 against Feroot PaymentGuard
Budget-constrained001 against Feroot PaymentGuard
Scale-constrained00
Negative006 against Source Defense · 2 against Feroot PaymentGuard
Bars are first choices, 0 to 14 each sideModels that argued againstA model can name both, so the two sides of a row do not sum to fourteen.
Across every category in the November 2026 Edition, Source Defense and Feroot PaymentGuard were named in the same answer twenty-four times, of the 59 answers naming Source Defense and the 42 naming Feroot PaymentGuard. In those answers Feroot PaymentGuard took the first choice zero times and Source Defense zero.
Every model, every framing
The eighty-four answers behind the chart above, one cell each: where Source Defense and Feroot PaymentGuard stood in it.
| Model | Direct | Paraphrase | Comparative | Budget-constrained | Scale-constrained | Negative |
|---|---|---|---|---|---|---|
| Claude Haiku 4.5 | | | ||||
| GPT-5.4 mini | ||||||
| Gemini 3.5 Flash | | | | |||
| Perplexity Sonar | | | ||||
| Grok 4.20 | | |||||
| Mistral Small | | |||||
| DeepSeek V4 Flash | | |||||
| Llama 4 Maverick | | |||||
| Qwen 3.7 Flash | | | ||||
| Kimi K2 | | | ||||
| GLM 4.7 FlashX | | |||||
| MiniMax M2.5 | | |||||
| GPT-6 Luna | | |||||
| Muse Glimmer 30B | | |
Source Defense Feroot PaymentGuard first choice named as an alternative argued againstblank: not namedEach cell is one answer, Source Defense on the left and Feroot PaymentGuard on the right.The direct prompt
The plain question, one answer per model, grouped by where Source Defense and Feroot PaymentGuard stood in it.
Source Defense first, Feroot PaymentGuard not the choice
1 of 14 modelsFeroot PaymentGuard was named in the answer but not as the choice, or not at all.Perplexity SonarSource Defense alternatives: Akamai Client-Side Protection & Compliance, Jscrambler Webpage Integrity
Neither was the first choice, one was named
1 of 14 modelsThe answer put something else first and named one of the two as an alternative.Qwen 3.7 FlashFeroot Security alternatives: Akamai Client-Side Protection & Compliance, Cloudflare, HUMAN Security, Source Defense
Neither was named
12 of 14 modelsThe answer made no first choice from these two in this category.Claude Haiku 4.5no first choice
GPT-5.4 minino first choice
Gemini 3.5 FlashReflectiz alternatives: Cloudflare Page Shield, Feroot Security, Jscrambler Webpage Integrity
Grok 4.20cside alternatives: Feroot Security, Reflectiz
Mistral SmallFeroot Security, cside alternatives: Akamai Client-Side Protection & Compliance, otto-js
DeepSeek V4 FlashFeroot Security alternatives: Cloudflare Page Shield, Reflectiz, cside
Llama 4 Maverickno first choice
Kimi K2Feroot Security, Reflectiz alternatives: cside
GLM 4.7 FlashXcside alternatives: Feroot Security, Imperva Client-Side Protection, Microsoft Defender for Cloud, Reflectiz
MiniMax M2.5CrowdStrike Falcon, Microsoft Defender for Endpoint alternatives: ESET Endpoint Security
GPT-6 LunaMicrosoft Defender for Cloud alternatives: Sophos Intercept X
Muse Glimmer 30Bcside alternatives: Reflectiz
Bold names in an answer are the products the judge labeled a first choice; a model naming several gives each of them that label. The full answer text for every row is in the record.
By buyer segment
The same question asked on behalf of a different buyer. Each standing is computed within its segment and they are never added together. The figures above are the mid-market standing, which is the one the category orders by.
Small business
Level: the same share of first choices.
Source Defense0%#8 of 11Feroot PaymentGuard0%#10 of 11Mid-marketThe figures above
Level: the same share of first choices.
Source Defense2%#5 of 10Feroot PaymentGuard2%#6 of 10Enterprise
Source Defense leads by four points.
Source Defense4%#8 of 12Feroot PaymentGuard0%#11 of 12What the models said about Source Defense
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of eight in this category shown.
“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 · hard negative
“"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 · negative prompt · hard negative
“Vendors like SourceDefense, JScrambler, Reflectiz (in some implementations), Human Security, and otto-js have been criticized” Kimi K2 · negative prompt · hard negative
“Source Defense is the strongest default choice” Perplexity Sonar · direct prompt · first choice
“Best for organizations that rely heavily on tag managers and need to control the blast radius of third‑party scripts” MiniMax M2.5 · comparative prompt · alternative
“Choose Source Defense when enforcing fine-grained permissions for third-party scripts matters most.” Perplexity Sonar · comparative prompt · alternative
What the models said about Feroot PaymentGuard
Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Six of seven in this category shown.
“those from Reflectiz, Feroot, Human Security, Imperva Client-Side Protection, Source Defense ... ineffective against sophisticated attacks” Grok 4.20 · negative prompt · hard negative
“tools to be cautious about or avoid include: ... 3. Feroot PaymentGuard” Llama 4 Maverick · negative prompt · hard negative
“Feroot samples down to 10% of sessions, meaning it statistically misses 90% of client-side attacks in unobserved sessions” Claude Haiku 4.5 · comparative prompt · soft negative
“I'd recommend starting with Feroot PaymentGuard or Cside” Claude Haiku 4.5 · paraphrase prompt · first choice
“Choose Feroot when compliance automation across multiple regulations is the main buying criterion.” Perplexity Sonar · comparative prompt · alternative
“Feroot focuses on identifying and patching vulnerabilities within the client-side code itself” GLM 4.7 FlashX · comparative prompt · alternative
Also compared
cside vs Source Defensecside vs Feroot PaymentGuardCloudflare Page Shield vs Source DefenseCloudflare Page Shield vs Feroot PaymentGuardFeroot Security vs Source DefenseFeroot Security vs Feroot PaymentGuardReflectiz vs Source DefenseReflectiz vs Feroot PaymentGuardAll fifteen head-to-head pages and the full client-side protection standing
Comparisons are drawn for the top eight products in each category, each against each. The output is the models' output; nothing here is a recommendation by the index.