Compare Intruder and Tenable Nessus 
Featured Products
At a Glance
Market Segments
Small-Business (58.7% of reviews)
Mid-Market (39.4% of reviews)
Entry-Level Pricing
Starting at $149.00 Per Month
$3,390.00 1 License With One-Time Purchase
Intruder
Star Rating
(206)4.8 out of 5
Market Segments
Small-Business (58.7% of reviews)
Pros & Cons
Entry-Level Pricing
Starting at $149.00 Per Month
Free Trial is available
Browse all 4 pricing plansTenable Nessus
Star Rating
(301)4.5 out of 5
Market Segments
Mid-Market (39.4% of reviews)
Pros & Cons
Entry-Level Pricing
$3,390.00 1 License With One-Time Purchase
Free Trial is available
Browse all 4 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- G2 reviewers report that Intruder excels in ease of use, with many users highlighting its straightforward setup process. One user mentioned, "I like how easy Intruder is to set up and execute," which reflects the product's user-friendly design that allows for quick onboarding.
- Users say that Tenable Nessus provides a comprehensive vulnerability detection solution, with feedback noting its ability to identify system flaws effectively. Reviewers appreciate the actionable results it offers, making it easier to address critical issues promptly.
- According to verified reviews, Intruder stands out for its clarity and prioritization of findings. Users have expressed satisfaction with how it highlights significant vulnerabilities without overwhelming them with low-value noise, which helps in focusing on what truly matters.
- Reviewers mention that Tenable Nessus is recognized for its intuitive usability, allowing users to learn and adopt the tool quickly. One user noted, "Its intuitive nature facilitates swift adoption," which is particularly beneficial for teams with limited training resources.
- G2 reviewers highlight Intruder's quality of support, with users praising the responsiveness and helpfulness of the support team. One user remarked on the continuous updates on critical security vulnerabilities, indicating a strong commitment to customer service.
- Users report that while Tenable Nessus has a solid reputation, it faces challenges in ease of setup compared to Intruder. Some users have noted that it requires more extensive training and can have a steeper learning curve, which may hinder quick implementation for some teams.
Pricing
Entry-Level Pricing
Intruder
Essential
Starting at $149.00
Per Month
Best for startups looking to stay compliant
- External scanning
- Application scanning
- 18,000+ open-source checks
Tenable Nessus
Pro - 1 Year
$3,390.00
1 License With One-Time Purchase
1-year license of the industry-leading vulnerability assessment solution.
- Automate your vulnerability scanning process
Free Trial
Intruder
Free Trial is available
Tenable Nessus
Free Trial is available
Ratings
Meets Requirements
9.4
159
9.0
248
Ease of Use
9.5
164
8.9
250
Ease of Setup
9.6
143
8.8
172
Ease of Admin
9.5
132
8.9
161
Quality of Support
9.7
153
8.4
229
Has the product been a good partner in doing business?
9.7
125
8.7
149
Product Direction (% positive)
9.8
149
8.9
238
Features by Category
Administration
Feature Not Available
Not enough data
9.2
32
Not enough data
9.7
31
Not enough data
Risk Analysis
Feature Not Available
Not enough data
9.6
31
Not enough data
Feature Not Available
Not enough data
Threat Protection
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Generative AI
6.8
10
Not enough data
Administration
8.6
28
Not enough data
8.5
25
Not enough data
9.1
50
Not enough data
Analysis
9.4
41
Not enough data
9.2
38
Not enough data
9.6
51
Not enough data
Testing
Feature Not Available
Not enough data
8.6
20
Not enough data
8.7
29
Not enough data
9.4
39
Not enough data
Administration
8.9
6
Not enough data
8.6
6
Not enough data
Analysis
9.5
7
Not enough data
9.6
8
Not enough data
Feature Not Available
Not enough data
9.8
8
Not enough data
Feature Not Available
Not enough data
Testing
7.9
7
Not enough data
8.8
7
Not enough data
7.8
6
Not enough data
9.0
7
Not enough data
9.5
7
Not enough data
7.9
7
Not enough data
Performance
9.1
80
|
Verified
Feature Not Available
9.3
90
|
Verified
8.9
139
|
Verified
7.8
89
|
Verified
6.7
136
|
Verified
9.5
98
|
Verified
9.0
135
|
Verified
Network
9.0
39
8.8
134
|
Verified
9.0
82
|
Verified
8.8
127
|
Verified
Feature Not Available
8.4
110
|
Verified
Application
8.2
54
|
Verified
Feature Not Available
Feature Not Available
7.3
83
8.4
50
|
Verified
7.8
102
Agentic AI - Vulnerability Scanner
8.1
8
8.1
9
8.3
9
7.9
8
API Management
8.8
8
Not enough data
Feature Not Available
Not enough data
9.2
10
Not enough data
Feature Not Available
Not enough data
Security Testing
Feature Not Available
Not enough data
Feature Not Available
Not enough data
8.7
10
Not enough data
Security Management
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Feature Not Available
Not enough data
Cloud Security Posture Management (CSPM)Hide 11 FeaturesShow 11 Features
Not enough data
Not enough data
Configuration
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Visibility
Not enough data
Not enough data
Not enough data
Not enough data
Vulnerability Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Asset Management
9.3
19
6.9
6
8.1
18
7.5
6
Feature Not Available
4.7
6
Monitoring
Feature Not Available
8.3
6
9.5
22
10.0
6
9.3
21
8.6
6
9.6
22
9.2
6
Risk Management
9.2
22
9.2
6
8.9
22
9.2
6
Feature Not Available
8.6
6
9.3
20
9.4
6
Generative AI
6.3
13
Not enough data
Generative AI - Exposure Management Platforms
Not enough data
Not enough data
Not enough data
Not enough data
Risk Identification and Assessment - Exposure Management Platforms
Not enough data
Not enough data
Not enough data
Not enough data
Monitoring and Integration - Exposure Management Platforms
Not enough data
Not enough data
Not enough data
Not enough data
Cloud Visibility
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Identity
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Intruder and Tenable Nessus are categorized as Attack Surface Management, API Security, Dynamic Application Security Testing (DAST), and Vulnerability Scanner
Unique Categories
Intruder is categorized as Exposure Management Platforms, Penetration Testing, Website Security, and Cloud Security Posture Management (CSPM)
Tenable Nessus has no unique categories
Reviews
Reviewers' Company Size
Intruder
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Tenable Nessus
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Computer Software
21.0%
Information Technology and Services
15.5%
Financial Services
7.5%
Computer & Network Security
6.0%
Insurance
2.5%
Other
47.5%
Information Technology and Services
25.7%
Computer & Network Security
16.5%
Financial Services
7.4%
Computer Software
6.0%
Banking
4.6%
Other
39.8%
Alternatives
Discussions
Will Intruder's scans damage my systems?
2 Comments
NH
NoRead more
Is intruder IO safe?
1 Comment
OO
Intruder’s scanning engines are configured to be safe to use – even when scanning production systems, that said, this question does crop up from time to time...Read more
What does Nessus Professional scan for?
2 Comments
AS
It scans the system for different vulnerabilities depending on what policy you want to scan the system with (like Internal PCI, Policy Compliance, SCAP,...Read more
What types of devices can Nessus Professional scan?
2 Comments
AS
Windows PCs/servers , Linux systems/servers, Mobiles, IPMI devices like iLO, iDRAC, network switches, storage arrays, etc.Read more
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