Intruder vs Perimeter 81 Comparison
Intruder
Starting at Contact for pricing
- Free Trial
- Large Enterprises
- Small Business
Meet Intruder, the ultimate solution for effortless vulnerability scanning. With the tagline "An Effortless Vulnerability Scanner," Intruder lives up to its name by providing top-notch cyber security protection without a…
Perimeter 81
Starting at $8 /User/Month
- Free Trial
- Large Enterprises
- Medium Business
Perimeter 81 is more than just a Zero Trust Network as a Service, it is a complete solution that streamlines secure access for today's modern and dispersed workforce. It offers seamless network security for employees, wh…
Intruder leads on user satisfaction with a 4.9-star rating across 23 reviews.
Intruder vs Perimeter 81 — at a glance
| Feature | Intruder | Perimeter 81 |
|---|---|---|
| Rating | 4.9 / 5 | — |
| Reviews | 23 | — |
| Starting price | Contact for pricing | $8 /User/Month |
| Free trial | Yes | Yes |
| Free version | No | No |
| Best for | Large Enterprises, Small Business, Medium Business | Large Enterprises, Medium Business, Small Business |
| Category | Website Security Software | Website Security Software |
| Platforms | Browser Based (Cloud) | SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac |
| API | Available | — |
| Support modes | Online | Online |
| Certifications | GDPR | SOC 2 |
| Data residency | US | Global |
Key differences between Intruder and Perimeter 81
- Pricing: Perimeter 81 starts at $8 /User/Month. Intruder pricing is not publicly listed.
- Deployment: Intruder supports Browser Based (Cloud); Perimeter 81 supports SaaS/Web/Cloud, Mobile - Android, Mobile - iOS, Installed - Windows, Installed - Mac.
Intruder vs Perimeter 81 — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Website Security Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
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Intruder vs Perimeter 81: Biggest differences
Start here before you go deeper into features.
Best for effortless, accurate cloud-based vulnerability scanning with minimal setup.
- You need a simple, user-friendly vulnerability scanner requiring low setup effort.
- Your team includes security analysts or IT admins seeking effective breach protection.
- You want a cloud-based solution without managing on-premises infrastructure.
- Your organization lacks dedicated IT or security staff to manage scanning.
- You require on-premises deployment or highly customizable scanning workflows.
Large Enterprises, Medium Business, Small Business
Intruder typically suits Large Enterprises and Small Business. Perimeter 81 tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Meet Intruder, the ultimate solution for effortless vulnerability scanning. With the tagline "An Effortless Vulnerability Scanner," Intruder lives up to its name by providing top-notch ... Read More about Intruder | Perimeter 81 is more than just a Zero Trust Network as a Service, it is a complete solution that streamlines secure access for today's modern and dispersed workforce. It offers seamless ... Read More about Perimeter 81 |
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User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | Small BusinessLarge Enterprises | — |
Get pricing help | Get pricing help |
Software Demo
Demo |
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How do Intruder and Perimeter 81 Compare on Features?
Total Features | 6 Features | 8 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Intruder and Perimeter 81 on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Intruder vs Perimeter 81: Other Details
Organization Types supported |
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API Support |
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Get help choosing | Get help choosing |
Intruder vs Perimeter 81 Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
|---|---|---|
HIPAA | — | ✗ No |
GDPR | ✓ Yes | — |
Single Sign-On (SSO) | ✓ Yes | ✓ Yes |
Multi-Factor Auth (MFA) | ✓ Yes | ✓ Yes |
Data Encryption | ✓ Yes | — |
Audit Logs | ✓ Yes | ✓ Yes |
Data Residency | 🇺🇸 US | 🌐 Global |
Intruder User Reviews & Rating Comparison
User Ratings | 4.9 (based on 23 reviews) | No reviews available for the product |
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Rating Distribution | No reviews available for this product | |
Pros and Cons |
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Intruder and Perimeter 81 Customers
Customers |  Marvel  Saxo Bank  Ometria | No Customers information available. |
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Media and Screenshots
Screenshots | No screenshots available. |  8 Screenshots |
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Videos |  3 Videos |  1 Videos |
Top Alternatives to Intruder and Perimeter 81 in 2026
Alternatives |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Intruder or Perimeter 81?
- Intruder edges out the other on user ratings (4.9 vs -1.0). That said, the best pick depends on your use case, so use the comparison tables above to evaluate each dimension.
- Do Intruder and Perimeter 81 offer a free trial?
- Yes, both Intruder and Perimeter 81 offer a free trial.
- What is the starting price of Intruder vs Perimeter 81?
- Intruder starts at Contact for pricing. Perimeter 81 starts at $8 /User/Month.
- What are the top alternatives to Intruder?
- Top alternatives to Intruder include Acunetix, Astra Security Suite, WP Hacked Help, Trust Guard, SiteLock.
- What are the top alternatives to Perimeter 81?
- Top alternatives to Perimeter 81 include Avanan, SiteLock, Virusdie, Intruder, Sysdig Secure.