--- title: Quantum Armor Reviews meta_title: 'Quantum Armor Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter reviews by the users' company size, role or industry to find out how Quantum Armor works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 3 scale: '5' date_modified: '2026-09-22' parent_category: name: Vulnerability Management url: https://www.g2.com/categories/vulnerability-management ---

Quantum Armor Reviews & Product Details

Quantum Armor is an Attack Surface Management (ASM) platform. It lets your company have an instant snapshot of your cyber security posture and provides tips to reduce your exposure to potential data breaches. By reducing your attack surface, you minimise the risk of a cyber security incident and protect your business against malicious actors.

Seller

Discussions

Quantum Armor Community

Languages Supported

English

Overview by

Marc Castejon (CEO/Founder at Silent Breach)

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JA

Josh A.

CEO

Small-Business (50 or fewer emp.)

8/15/2026

"Straightforward Security Metrics Correlation Across Our Attack Surface"

4.5/5

What do you like best about Quantum Armor?

It's very straightforward to use and makes correlating security metrics across our attack surface easy. Review collected by and hosted on G2.com.

What do you dislike about Quantum Armor?

No major downsides, would be nice if other platforms like Azure were supported. Review collected by and hosted on G2.com.

YM

Yuri M.

𝗖𝗵𝗶𝗲𝗳 𝗘𝘅𝗲𝗰𝘂𝘁𝗶𝘃𝗲 𝗢𝗳𝗳𝗶𝗰𝗲𝗿

Small-Business (50 or fewer emp.)

5/2/2022

"Very powerful tool for Proactive cybersecurity audit"

5/5

What do you like best about Quantum Armor?

Very intuitive and easy to use the software even for non Cybersecurity experts. This tool gives the ability to gain essential information to protect your or your client's assets. Whitelabel reporting also allows me to generate reports for my clients, preserving my brand. This product is very suitable for MSPs. Dark web scanning is easy to use and provides the same level of information as the more expensive competitors. Review collected by and hosted on G2.com.

What do you dislike about Quantum Armor?

I would love to see the extra modules for Azure and Google soon. Currently, I'm using the product for AWS attach surface scanning. Review collected by and hosted on G2.com.

AM

Verified User in Market Research

Small-Business (50 or fewer emp.)

6/20/2022

"Great Attack Surface Management Product"

4/5

What do you like best about Quantum Armor?

The dashboard is extremely to use and a great help in monitoring assets for unauthorized changes and vulnerabilities. Review collected by and hosted on G2.com.

What do you dislike about Quantum Armor?

It would be great to have some more proactive discovery capabilities. Review collected by and hosted on G2.com.

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Pricing

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Categories on G2

Attack Surface Management Threat Intelligence

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