# What Claude (Anthropic) with web search answered for vulnerability scanning tools (small businesses) on 2026-10-09

## In short

On 2026-10-09, Claude (Anthropic) with web search was asked "best vulnerability scanning tools for small businesses". It named 9 brands; the first six, in order, were Intruder, Tenable Nessus, Tenable Nessus Professional, Nessus Professional, Greenbone OpenVAS and OpenVAS.

| Fact | Value |
| --- | --- |
| Question | best vulnerability scanning tools for small businesses |
| Asked on | 2026-10-09 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 9 |
| Sources cited | 6 |
| Audience | small businesses |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-09 |

Page: https://bikoosh.com/answers/s/vulnerability-scanning-tools-small-businesses-2026-10-09
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-09 through Claude (Anthropic) with web search (model claude-opus-5).

> Here's what I'd actually recommend, roughly in the order I'd suggest trying them:
> 
> **1. Intruder** - My default recommendation for most small businesses. It's built for teams without a security specialist: point it at your domains and IPs, it continuously scans your external attack surface and emails you when something new and exploitable shows up. Starts around $149/month, which is the realistic entry point for a small company. ([g2.com/compare/intruder-vs-tenable-nessus](https://www.g2.com/compare/intruder-vs-tenable-nessus), [intruder.io](https://www.intruder.io/blog/the-top-vulnerability-scanning-tools))
> 
> **2. Tenable Nessus Professional** - The industry workhorse for internal network and host scanning, and the tool most IT consultants already know. Deeper and more configurable than Intruder, but it's a raw scanner: it hands you findings, not a prioritized workflow, and someone has to interpret them. ~$3,400-4,400/year for a one-year license. ([penetrify.cloud/pl/pricing/nessus](https://www.penetrify.cloud/pl/pricing/nessus/))
> 
> **3. Greenbone OpenVAS** - The free option worth taking seriously. Genuinely capable network scanning at zero license cost, and a good fit if you have a

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Intruder | recommended |
| 2 | Tenable Nessus | recommended |
| 3 | Tenable Nessus Professional | recommended |
| 4 | Nessus Professional | recommended |
| 5 | Greenbone OpenVAS | recommended |
| 6 | OpenVAS | recommended |
| 7 | Qualys VMDR | recommended |
| 8 | Snyk | recommended |
| 9 | Astra Security | recommended |

## Sources the engine cited

- https://www.g2.com/compare/intruder-vs-tenable-nessus (review)
- https://www.intruder.io/blog/the-top-vulnerability-scanning-tools (vendor)
- https://www.penetrify.cloud/pl/pricing/nessus/ (other)
- https://www.getastra.com/blog/dast/vulnerability-scanning-for-smbs/ (other)
- https://www.g2.com/compare/intruder-vs-qualys-vmdr (review)
- https://www.g2.com/categories/vulnerability-scanner/small-business (review)

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.