Intruder vs Qualys
Intruder vs Qualys, compared side by side on 18 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Intruder is on 60/100 and Qualys on 58/100.
Where each one leads
Intruder
- funding raised: $63.0M against $28.4M
Qualys
- domain rating: 83/100 against 73/100
- headcount: 3,566 against 84
At a glance
| Measure | Intruder | Qualys |
|---|---|---|
| What it is | Attack surface management company. | Cloud-based platform providing integrated security, compliance, and IT solutions for global organizations. |
| Category | Cybersecurity, Attack Surface Management, Vulnerability Management, Penetration Testing | Cybersecurity, SaaS, Cloud Security, Compliance |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Platform |
| Founded | 2015 | 1999 |
| Headquarters | London, United Kingdom | Foster City, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Intruder | Qualys |
|---|---|---|
| Employees | 84 | 3,566 |
| Total funding | $63.0M | $28.4M |
| Latest round | Series B | Series B |
| Valuation | $1.1B | Not published |
| LinkedIn followers | 5,752 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Intruder | Qualys |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 60/100 | 58/100 |
| Traction | 58/100 | 57/100 |
| Team | Not published | 60/100 |
| Search visibility | 49/100 | 17/100 |
| Quality | 78/100 | 68/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (44/100) | D (45/100) |
| Domain ratingLink authority, 0-100 | 73/100 | 83/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Intruder | Qualys |
|---|---|---|
| Hosting | Not detected | Netlify |
| CDN | Cloudflare | Cloudflare |
| CMS | Webflow | Not detected |
| Frameworks | Not detected | Next.js, Tailwind CSS |
| Analytics | PostHog, Plausible | Not detected |
| Support stack | Intercom | Not detected |
| Open source | Yes | No |
Intruder vs Qualys: common questions
Which is better, Intruder or Qualys?
On our 0-100 score Intruder rates higher (60/100 against 58/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 18 data points above: read the rows that match what you are buying for.
How do Intruder and Qualys compare on the numbers?
Intruder leads on funding raised ($63.0M against $28.4M). Qualys leads on domain rating (83/100 against 73/100), headcount (3,566 against 84).
Read the full Intruder review and pricing or the Qualys review and pricing. You can also browse other Intruder alternatives we track.