# What Claude (Anthropic) with web search answered for vulnerability scanning tools (small businesses) on 2026-10-11

## In short

On 2026-10-11, Claude (Anthropic) with web search was asked "best vulnerability scanning tools for small businesses". It named 23 brands; the first six, in order, were Intruder, Microsoft, Microsoft Defender, Defender, Microsoft 365 and Microsoft 365 Business.

| Fact | Value |
| --- | --- |
| Question | best vulnerability scanning tools for small businesses |
| Asked on | 2026-10-11 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 23 |
| Sources cited | 10 |
| Audience | small businesses |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-11 |

Page: https://bikoosh.com/answers/s/vulnerability-scanning-tools-small-businesses-2026-10-11
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-11 through Claude (Anthropic) with web search (model claude-opus-5).

> ## My actual recommendations, in order
> 
> **1. Intruder** - my default pick for most small businesses. Cloud-hosted, so there's nothing to install, and it continuously scans your external attack surface (public IPs, web apps, cloud assets) and re-scans automatically when new CVEs drop. Starts around $149/month and the reporting is clean enough to hand straight to a client or auditor. The majority of its user base is genuinely SMB, not enterprise. ([intruder.io](https://www.intruder.io/blog/the-top-vulnerability-scanning-tools), [G2 comparison](https://www.g2.com/compare/intruder-vs-qualys-vmdr))
> 
> **2. Microsoft Defender Vulnerability Management** - if you're already on Microsoft 365 Business Premium, the core version is bundled with Defender for Business at no extra cost. It won't scan your website, but it covers the thing most small businesses actually get breached through: unpatched laptops and servers. Check what you already own before buying anything.
> 
> **3. Tenable Nessus** - the right answer when you have internal infrastructure (servers, NAS, switches, VMs) to scan yourself rather than just an external footprint. **Nessus Essentials is free for up to 16 IPs**, which covers a ge

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Intruder | mentioned |
| 2 | Microsoft | mentioned |
| 3 | Microsoft Defender | mentioned |
| 4 | Defender | mentioned |
| 5 | Microsoft 365 | mentioned |
| 6 | Microsoft 365 Business | mentioned |
| 7 | Microsoft 365 Business Premium | mentioned |
| 8 | Tenable Nessus | mentioned |
| 9 | Nessus Essentials | mentioned |
| 10 | Qualys | mentioned |
| 11 | Greenbone OpenVAS | mentioned |
| 12 | OpenVAS | mentioned |
| 13 | Astra Security | mentioned |
| 14 | Snyk | mentioned |
| 15 | Pentest-Tools.com | mentioned |
| 16 | Malwarebytes | mentioned |
| 17 | Wiz | mentioned |
| 18 | Wiz / Orca Security | mentioned |
| 19 | Orca Security | mentioned |
| 20 | AWS | mentioned |
| 21 | Azure | mentioned |
| 22 | Qualys VMDR | compared |
| 23 | NinjaOne | mentioned |

## Sources the engine cited

- https://www.intruder.io/blog/the-top-vulnerability-scanning-tools (vendor)
- https://www.g2.com/compare/intruder-vs-qualys-vmdr (review)
- https://www.g2.com/compare/qualys-was-vs-tenable-nessus (review)
- https://esecurityplanet.com/?p=27566 (other)
- https://www.g2.com/compare/intruder-vs-qualys-vm (review)
- https://www.getastra.com/blog/dast/vulnerability-scanning-for-smbs/ (other)
- https://www.ninjaone.com/blog/vulnerability-scanning-tools/ (vendor)
- https://www.g2.com/products/pentest-tools-com/pricing (review)
- https://www.g2.com/categories/vulnerability-scanner/small-business (review)
- https://toolradar.com/blog/best-vulnerability-scanning (other)

The question page: https://bikoosh.com/answers/q/vulnerability-scanning-tools/small-businesses

Alerts and membership: Answer Watch Pro, 79 USD per month: https://bikoosh.com/answers. Bikoosh is monitoring assistance, not complete protection.

Answer Watch records what one AI answer engine said on one date, nothing more. Each page names the engine and the model, carries the date the question was asked, and lists the brands that appeared in the answer in the order the engine gave them, with the sources it cited. It is a measurement, not a ranking, not a recommendation and not a claim about the world. Brands that did not appear in an answer are not named on any public page. Coverage: Claude (Anthropic) with web search. Other engines not included.