Index › IT › Security operations › Client-side protection › Feroot Security vs Source Defense
Client-side protection · November 2026 Edition

Feroot Security vs Source Defense

Four of fourteen models named Feroot Security first on the direct prompt; one named Source Defense. Feroot Security was named by ten of the fourteen models and Source Defense by eleven and Feroot Security carries 25 labels and Source Defense 23, so the shares are not directly comparable.

Feroot Security

accepted challenger

Named in one category this edition.

Source Defense

criticized challenger

Named in one category this edition.

First-choice share10%2%Of first choices across the direct, paraphrase, budget and scale prompts, 0 to 100.
Negative rate4%26%Negative labels as a share of the product's labels, 0 to 100.
Rank in category#3#5A position in a field of 10; printed, not drawn.
Labels2523A count; the two differ.
The two percentage rows are drawn on one 0 to 100 track, Feroot Security reading right to left. Rank and label count are printed, not drawn.cside vs Feroot Security · cside vs Source Defense · Cloudflare Page Shield vs Feroot Security

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.
Feroot SecurityFirst choices, of fourteen modelsSource Defense
Direct41
Paraphrase00
Comparative10
Budget-constrained101 against Feroot Security
Scale-constrained00
Negative006 against Source Defense
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, Feroot Security and Source Defense were named in the same answer twenty-two times, of the 59 answers naming Feroot Security and the 59 naming Source Defense. In those answers Source Defense took the first choice zero times and Feroot Security three.

Every model, every framing

The eighty-four answers behind the chart above, one cell each: where Feroot Security and Source Defense stood in it.
ModelDirectParaphraseComparativeBudget-constrainedScale-constrainedNegative
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
Feroot Security Source Defense first choice named as an alternative argued againstblank: not namedEach cell is one answer, Feroot Security on the left and Source Defense on the right.

The direct prompt

The plain question, one answer per model, grouped by where Feroot Security and Source Defense stood in it.

Feroot Security first, Source Defense an alternative

4 of 14 modelsSource Defense was named in the answer but not as the choice, or not at all.
Mistral SmallFeroot Security, cside alternatives: Akamai Client-Side Protection & Compliance, otto-js
DeepSeek V4 FlashFeroot Security alternatives: Cloudflare Page Shield, Reflectiz, cside
Qwen 3.7 FlashFeroot Security alternatives: Akamai Client-Side Protection & Compliance, Cloudflare, HUMAN Security, Source Defense
Kimi K2Feroot Security, Reflectiz alternatives: cside

Source Defense first, Feroot Security not the choice

1 of 14 modelsFeroot Security 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

3 of 14 modelsThe answer put something else first and named one of the two as an alternative.
Gemini 3.5 FlashReflectiz alternatives: Cloudflare Page Shield, Feroot Security, Jscrambler Webpage Integrity
Grok 4.20cside alternatives: Feroot Security, Reflectiz
GLM 4.7 FlashXcside alternatives: Feroot Security, Imperva Client-Side Protection, Microsoft Defender for Cloud, Reflectiz

Neither was named

6 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
Llama 4 Maverickno first choice
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
Feroot Security leads by six points.
Feroot Security6%#4 of 11
Source Defense0%#8 of 11
The full small business standing →
Mid-marketThe figures above
Feroot Security leads by eight points.
Feroot Security10%#3 of 10
Source Defense2%#5 of 10
The full mid-market standing →
Enterprise
Feroot Security leads by twelve points.
Feroot Security16%#1 of 12
Source Defense4%#8 of 12
The full enterprise standing →

What the models said about Feroot Security

Every negative label with a quote, up to three, then the highest-weighted positives, up to three. Four of five in this category shown.

“Feroot Security (higher cost, but excellent for payment page protection)” GLM 4.7 FlashX · budget prompt · soft negative
“Cloudflare Client-Side Security (Page Shield) and Feroot Security are the best choices due to their free tiers and strong reputations.” Mistral Small · budget prompt · first choice
“Best for Compliance & Ease of Use: Feroot Security ... Feroot is often cited as the strongest option.” Qwen 3.7 Flash · direct prompt · first choice
“If you want the best balance of reputation, compliance, and user satisfaction: go with Feroot Security.” DeepSeek V4 Flash · direct prompt · first choice

What 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
Also compared

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.