---
title: "AI security tools: Which brands are most popular in search?"
description: "Compare the tools used to secure AI systems. Share of Search among Lakera, HiddenLayer, Protect AI, CalypsoAI and Robust Intelligence, the AI security tools Brandwave compares worldwide, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time."
canonical: "https://gobrandwave.com/demand/global-en/categories/ai-security-tools"
publisher: "Brandwave"
---

# AI security tools: Which brands are most popular in search?

Compare the tools used to secure AI systems. Share of Search among Lakera, HiddenLayer, Protect AI, CalypsoAI and Robust Intelligence, the AI security tools Brandwave compares worldwide, using the same methodology, market, and reporting period. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.

## Key facts

- **Competitive set**: AI security tools
- **Market**: Global
- **Brands compared**: 5
- **Month measured**: Aug 2026
- **Highest Share of Search**: Lakera, 99.4%

## Which brand is most popular in search among AI security tools worldwide?

- In August 2026, Lakera was the most searched among AI security tools worldwide, with an estimated 2.2M branded searches and 99.4% estimated Share of Search within this set.
- HiddenLayer is in 2nd place, 98.9 percentage points behind at 0.44% Share of Search.
- Across the 11 months ending August 2026, Lakera, HiddenLayer, Protect AI, CalypsoAI and Robust Intelligence held steady: their estimated Share of Search among AI security tools worldwide each moved less than 0.5 percentage points.

## How did search popularity change for AI security tools worldwide in August 2026?

- Estimated monthly branded searches for HiddenLayer worldwide rose 83.3% over 11 measured months, from 5.4K to 9.9K in August 2026.
- Estimated monthly branded searches for Lakera worldwide fell 75.5% over 11 measured months, from 9.1M to 2.2M in August 2026.
- Estimated monthly branded searches for CalypsoAI worldwide fell 63.1% over 11 measured months, from 1.6K to 590 in August 2026.
- Estimated monthly branded searches for Robust Intelligence worldwide fell 54.6% over 11 measured months, from 1.3K to 590 in August 2026.
- Estimated monthly branded searches for Protect AI worldwide fell 34.1% over 11 measured months, from 4.4K to 2.9K in August 2026.

## Share of Search ranking

| Rank | Brand | Share of Search | Estimated monthly branded searches | Change vs prior month | Owned by |
| --- | --- | --- | --- | --- | --- |
| 1 | Lakera | 99.4% | 2.2M | -45.2% | Lakera |
| 2 | HiddenLayer | 0.44% | 9.9K | +50.0% | HiddenLayer |
| 3 | Protect AI | 0.13% | 2.9K | 0.0% | Protect AI |
| 4 | CalypsoAI | 0.03% | 590 | -18.1% | CalypsoAI |
| 5 | Robust Intelligence | 0.03% | 590 | -18.1% | Robust Intelligence |

## Historical estimated branded-search demand

| Month | Brand | Estimated monthly branded searches | Share of Search | Rank |
| --- | --- | --- | --- | --- |
| Oct 2025 | Lakera | 9.1M | 99.9% | 1 |
| Oct 2025 | HiddenLayer | 5.4K | 0.06% | 2 |
| Oct 2025 | Protect AI | 4.4K | 0.05% | 3 |
| Oct 2025 | CalypsoAI | 1.6K | 0.02% | 4 |
| Oct 2025 | Robust Intelligence | 1.3K | 0.01% | 5 |
| Nov 2025 | Lakera | 16.6M | 99.9% | 1 |
| Nov 2025 | HiddenLayer | 8.1K | 0.05% | 2 |
| Nov 2025 | Protect AI | 4.4K | 0.03% | 3 |
| Nov 2025 | Robust Intelligence | 1.3K | <0.01% | 4 |
| Nov 2025 | CalypsoAI | 1K | <0.01% | 5 |
| Dec 2025 | Lakera | 13.6M | 99.8% | 1 |
| Dec 2025 | HiddenLayer | 18.1K | 0.13% | 2 |
| Dec 2025 | Protect AI | 3.6K | 0.03% | 3 |
| Dec 2025 | Robust Intelligence | 1K | <0.01% | 4 |
| Dec 2025 | CalypsoAI | 880 | <0.01% | 5 |
| Jan 2026 | Lakera | 13.6M | 99.9% | 1 |
| Jan 2026 | HiddenLayer | 12.1K | 0.09% | 2 |
| Jan 2026 | Protect AI | 3.6K | 0.03% | 3 |
| Jan 2026 | Robust Intelligence | 1K | <0.01% | 4 |
| Jan 2026 | CalypsoAI | 880 | <0.01% | 5 |
| Feb 2026 | Lakera | 11.1M | 99.9% | 1 |
| Feb 2026 | HiddenLayer | 8.1K | 0.07% | 2 |
| Feb 2026 | Protect AI | 3.6K | 0.03% | 3 |
| Feb 2026 | CalypsoAI | 1K | <0.01% | 4 |
| Feb 2026 | Robust Intelligence | 1K | <0.01% | 5 |
| Mar 2026 | Lakera | 16.6M | 99.9% | 1 |
| Mar 2026 | HiddenLayer | 8.1K | 0.05% | 2 |
| Mar 2026 | Protect AI | 4.4K | 0.03% | 3 |
| Mar 2026 | CalypsoAI | 1K | <0.01% | 4 |
| Mar 2026 | Robust Intelligence | 1K | <0.01% | 5 |
| Apr 2026 | Lakera | 24.9M | 100% | 1 |
| Apr 2026 | HiddenLayer | 6.6K | 0.03% | 2 |
| Apr 2026 | Protect AI | 3.6K | 0.01% | 3 |
| Apr 2026 | CalypsoAI | 1K | <0.01% | 4 |
| Apr 2026 | Robust Intelligence | 1K | <0.01% | 5 |
| May 2026 | Lakera | 20.4M | 99.9% | 1 |
| May 2026 | HiddenLayer | 6.6K | 0.03% | 2 |
| May 2026 | Protect AI | 3.6K | 0.02% | 3 |
| May 2026 | CalypsoAI | 880 | <0.01% | 4 |
| May 2026 | Robust Intelligence | 880 | <0.01% | 5 |
| Jun 2026 | Lakera | 2.7M | 99.6% | 1 |
| Jun 2026 | HiddenLayer | 6.6K | 0.24% | 2 |
| Jun 2026 | Protect AI | 2.9K | 0.11% | 3 |
| Jun 2026 | CalypsoAI | 720 | 0.03% | 4 |
| Jun 2026 | Robust Intelligence | 720 | 0.03% | 5 |
| Jul 2026 | Lakera | 4.1M | 99.7% | 1 |
| Jul 2026 | HiddenLayer | 6.6K | 0.16% | 2 |
| Jul 2026 | Protect AI | 2.9K | 0.07% | 3 |
| Jul 2026 | CalypsoAI | 720 | 0.02% | 4 |
| Jul 2026 | Robust Intelligence | 720 | 0.02% | 5 |
| Aug 2026 | Lakera | 2.2M | 99.4% | 1 |
| Aug 2026 | HiddenLayer | 9.9K | 0.44% | 2 |
| Aug 2026 | Protect AI | 2.9K | 0.13% | 3 |
| Aug 2026 | CalypsoAI | 590 | 0.03% | 4 |
| Aug 2026 | Robust Intelligence | 590 | 0.03% | 5 |
| Sep 2026 | CalypsoAI | — | — | — |
| Sep 2026 | HiddenLayer | — | — | — |
| Sep 2026 | Lakera | — | — | — |
| Sep 2026 | Protect AI | — | — | — |
| Sep 2026 | Robust Intelligence | — | — | — |

## What is being compared

- **CalypsoAI**: Measured on the search term “calypsoai”.
- **HiddenLayer**: Measured on the search term “hiddenlayer”.
- **Lakera**: Measured on the search term “lakera”.
- **Protect AI**: Measured on the search term “protect ai”.
- **Robust Intelligence**: Measured on the search term “robust intelligence”.

- [CalypsoAI](/demand/global-en/brands/calypsoai)
- [HiddenLayer](/demand/global-en/brands/hiddenlayer)
- [Lakera](/demand/global-en/brands/lakera)
- [Protect AI](/demand/global-en/brands/protect-ai)
- [Robust Intelligence](/demand/global-en/brands/robust-intelligence)

## Methodology

- [How is branded search demand measured?](/demand/methodology): Where the figures come from, what they compare, and how they may be reused.

## Frequently asked questions

### Which brand is most popular in search among AI security tools worldwide?

In August 2026, Lakera was the most searched among AI security tools worldwide, with an estimated 2.2M branded searches and 99.4% estimated Share of Search within this set. These are worldwide searches for English-language branded terms.

## Cite this page

Brandwave. "AI security tools: Which brands are most popular in search?". https://gobrandwave.com/demand/global-en/categories/ai-security-tools

This page is also available as HTML at https://gobrandwave.com/demand/global-en/categories/ai-security-tools. Brandwave publishes an index of its Markdown pages at https://gobrandwave.com/llms.txt.