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# Intruder vs Tenable Nessus Comparison - What are their main differences?

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IntruderTenable Nessus[+ Add Product](#)

Reviews

**Intruder** [

4.8/5(221)

](https://www.g2.com/products/intruder/reviews#reviews)

**Tenable Nessus** [

4.5/5(316)

](https://www.g2.com/products/tenable-nessus/reviews#reviews)

Pricing

**Intruder**
Free Trial

**Free** Per Month · Free

**Tenable Nessus**
Free Trial

**$3,390.00** 1 License With One-Time Purchase · Pro - 1 Year

**Pricing Insights**
from reviews

Time to Implement

**Intruder**
\<1 monthFaster

Based on 61 responses

**Tenable Nessus**
1 month

Based on 23 responses

Return on Investment

**Intruder**
6 months6 months sooner

Based on 47 responses

**Tenable Nessus**
12 months

Based on 19 responses

Perceived Cost

**Intruder**
$$$$$

**Tenable Nessus**
$$$$$

Average Discount

**Intruder**
7%

**Tenable Nessus**
8%1% more

Pros & Cons

**Intruder**
[
Ease of Use (41)
](https://www.g2.com/products/intruder/reviews?filters%5Bsentiment_snippet%5D=1897895&qs=pros-and-cons#reviews)[
Vulnerability Detection (30)
](https://www.g2.com/products/intruder/reviews?filters%5Bsentiment_snippet%5D=1898809&qs=pros-and-cons#reviews)[
Expensive (10)
](https://www.g2.com/products/intruder/reviews?filters%5Bsentiment_snippet%5D=1898766&qs=pros-and-cons#reviews)[
Slow Scanning (8)
](https://www.g2.com/products/intruder/reviews?filters%5Bsentiment_snippet%5D=1898490&qs=pros-and-cons#reviews)

**Tenable Nessus**
[
Vulnerability Identification (21)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=1158838&qs=pros-and-cons#reviews)[
Vulnerability Detection (19)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=1158713&qs=pros-and-cons#reviews)[
Slow Scanning (8)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=1158016&qs=pros-and-cons#reviews)[
Expensive (6)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=2314763&qs=pros-and-cons#reviews)

Integrations

**Intruder**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_1651718cccc95df24af2423a690c4a17/aws-cloud.jpg "Product Avatar Image")

AWS Cloud

](https://www.g2.com/products/aws-cloud/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_f176b4154a751d10150daa67a57b7dc5/azure-portal.jpg "Product Avatar Image")

Azure Portal

](https://www.g2.com/products/azure-portal/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_f176b4154a751d10150daa67a57b7dc5/azure-virtual-machines.jpg "Product Avatar Image")

Azure Virtual Machines

](https://www.g2.com/products/azure-virtual-machines/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_b2231a414cb9f3f7c194f65af32b723e/cloudflare-one-sase.png "Product Avatar Image")

Cloudflare One (SASE)

](https://www.g2.com/products/cloudflare-one-sase/reviews)[
View all
](https://www.g2.com/products/intruder/integrations)

**Tenable Nessus**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_cbd3fb3d7b519da99e67a6ef0172fadf/tenable-security-center.png "Product Avatar Image")

Tenable Security Center

](https://www.g2.com/products/tenable-security-center/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_cbd3fb3d7b519da99e67a6ef0172fadf/tenable-vulnerability-management.png "Product Avatar Image")

Tenable Vulnerability...

](https://www.g2.com/products/tenable-vulnerability-management/reviews)[
View all
](https://www.g2.com/products/tenable-nessus/integrations)

Screenshots

**Intruder**
 ![Intruder screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/173053/Screenshot-2026-07-07-at-16%282%29.34.39.png)

**Tenable Nessus**
 ![Tenable Nessus screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/91875/grouped-view-1.png)

Ratings

Meets Requirements

**Intruder**

9.4

9.4173

**Tenable Nessus**

9.0

9.0260

Ease of Use

**Intruder**

9.5

9.5178

**Tenable Nessus**

8.9

8.9263

Ease of Setup

**Intruder**

9.5

9.5158

**Tenable Nessus**

8.8

8.8185

Ease of Admin

**Intruder**

9.5

9.5145

**Tenable Nessus**

8.9

8.9171

Quality of Support

**Intruder**

9.7

9.7166

**Tenable Nessus**

8.4

8.4240

Has the product been a good partner in doing business?

**Intruder**

9.7

9.7138

**Tenable Nessus**

8.7

8.7159

Product Direction (% positive)

**Intruder**

9.8

9.8162

**Tenable Nessus**

8.9

8.9246

Features

Vulnerability Scanner[Hide 58 FeaturesShow 58 Features](javascript:void(0);)

8.7

107

8.4

169

Performance

Detection Rate

9.3(won by 0.4)

92

|

Verified

8.9

144

|

Verified

False Positives

7.9(won by 1.2)

91

|

Verified

 (There is a greater than 0.5 difference between this product's rating and its competitors)

6.7

141

|

Verified

Automated Scans

9.5(won by 0.4)

101

|

Verified

9.1

139

|

Verified

Issue Tracking

9.1(won by default)

82

|

Verified

Feature Not Available

Anomaly/Malware Detection

Not enough data

Not enough data

Network

Compliance Testing

9.0(won by 0.2)

40

8.8

138

|

Verified

Perimeter Scanning

8.9(tied score)

83

|

Verified

8.9(tied score)

135

|

Verified

Configuration Monitoring

Feature Not Available

8.4(won by default)

111

|

Verified

Vulnerability Scanning

Not enough data

10.0(won by default)

7

Source-Code Scanning

Not enough data

Not enough data

Web Scanning

Not enough data

Not enough data

Application

Black Box Testing

8.4(won by 0.6)

51

|

Verified

 (There is a greater than 0.5 difference between this product's rating and its competitors)

7.8

103

Manual Application Testing

8.2(won by default)

55

|

Verified

Feature Not Available

Static Code Analysis

Feature Not Available

7.3(won by default)

84

Risk Analysis

Not enough data

Not enough data

Agentic AI - Vulnerability Scanner

Autonomous Task Execution

8.1(tied score)

8

8.1(tied score)

9

Proactive Assistance

Feature Not Available

7.9(won by default)

8

Additional Functionality

SSL Security

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

API

Not enough data

Not enough data

Threat Response

Not enough data

Not enough data

Endpoint Protection

Not enough data

Not enough data

Maintenance Scheduling

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Application Security

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Network Security

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Financial Data Protection

Not enough data

Not enough data

Anti Virus

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Virus Definition Update

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

VPN

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Anti Spam

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Runtime Container Security

Not enough data

Not enough data

Asset Discovery

Not enough data

Not enough data

Threat Intelligence

Not enough data

Not enough data

Vulnerability Protection

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Vulnerability/Threat Prioritization

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

SQL Injections

Not enough data

Not enough data

Real-Time Analytics

Not enough data

Not enough data

Threat Protection

Not enough data

Not enough data

Web-Application Security

Not enough data

Not enough data

Password Protection

Not enough data

Not enough data

Website Crawling

Not enough data

Not enough data

Vulnerability Assessment

Not enough data

Not enough data

Attack Surface Management[Hide 42 FeaturesShow 42 Features](javascript:void(0);)

8.9

27

8.3

6

Asset Management

Asset Discovery

9.3(won by 2.4)

19

 (There is a greater than 0.5 difference between this product's rating and its competitors)

6.9

6

Shadow IT Detection

8.1(won by 0.6)

18

 (There is a greater than 0.5 difference between this product's rating and its competitors)

7.5

6

Change Management

Feature Not Available

4.7(won by default)

6

Compliance Management

Not enough data

Not enough data

Monitoring

Vulnerability Intelligence

9.6

23

10.0(won by 0.4)

6

Compliance Monitoring

9.3(won by 0.7)

21

 (There is a greater than 0.5 difference between this product's rating and its competitors)

8.6

6

Continuous Monitoring

9.7(won by 0.5)

24

 (There is a greater than 0.5 difference between this product's rating and its competitors)

9.2

6

Gap Analysis

Feature Not Available

8.3(won by default)

6

Server Monitoring

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Risk Management

Risk-Prioritization

9.2(tied score)

22

9.2(tied score)

6

Reconnaissance

8.9

22

9.2(won by 0.3)

6

Threat Intelligence

9.3

20

9.4(won by 0.1)

6

At-Risk Analysis

Feature Not Available

8.6(won by default)

6

Generative AI

AI Text Summarization

6.3(won by default)

13

Not enough data

Additional Functionality

SSL Security

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

API

Not enough data

Not enough data

Threat Response

Not enough data

Not enough data

Endpoint Protection

Not enough data

Not enough data

Maintenance Scheduling

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Application Security

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Network Security

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Financial Data Protection

Not enough data

Not enough data

Anti Virus

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Virus Definition Update

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

VPN

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Anti Spam

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Website Security[Hide 22 FeaturesShow 22 Features](javascript:void(0);)

8.8

36

Not enough data

Administration

Dashboard & Reporting

9.2(won by default)

35

Not enough data

Alerting

9.7(won by default)

33

Not enough data

Content Delivery

Feature Not Available

Not enough data

Risk Analysis

Vulnerability Assessment

9.6(won by default)

33

Not enough data

Blacklist and Whitelist

Feature Not Available

Not enough data

Security Auditing

Feature Not Available

Not enough data

Web-Application Security

Not enough data

Not enough data

Threat Protection

Firewall

Feature Not Available

Not enough data

DDoS Protection

Feature Not Available

Not enough data

Anomaly/Malware Detection

Feature Not Available

Not enough data

Malware Removal

Feature Not Available

Not enough data

Endpoint Protection

Not enough data

Not enough data

Generative AI

AI Text Summarization

6.8(won by default)

10

Not enough data

Generative AI

Not enough data

Not enough data

Additional Functionality

SQL Injections

Not enough data

Not enough data

Load Balancing

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Threat Response

Not enough data

Not enough data

API

Not enough data

Not enough data

Log Management

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Penetration Testing[Hide 39 FeaturesShow 39 Features](javascript:void(0);)

9.0

54

Not enough data

Administration

API

8.6(won by default)

28

Not enough data

Extensibility

8.5(won by default)

25

Not enough data

Reporting and Analytics

9.1(won by default)

50

Not enough data

Analysis

Issue Tracking

9.4(won by default)

41

Not enough data

Reconnaissance

9.2(won by default)

38

Not enough data

Vulnerability Scan

9.6(won by default)

52

Not enough data

Compliance Management

Not enough data

Not enough data

Automatic Scans

Not enough data

Not enough data

SPA Scans

Not enough data

Not enough data

Testing

Manual Testing

8.6(won by default)

20

Not enough data

Test Automation

8.7(won by default)

29

Not enough data

Performance and Reliability

9.4(won by default)

39

Not enough data

Command-Line Tools

Feature Not Available

Not enough data

Additional Functionality

Network Mapping

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

SQL Injections

Not enough data

Not enough data

Audit Management

Not enough data

Not enough data

Threat Intelligence

Not enough data

Not enough data

Assignment Management

Not enough data

Not enough data

Integration Management

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Asset Discovery

Not enough data

Not enough data

Remediation Management

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Multi-User Collaboration

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Web-Application Security

Not enough data

Not enough data

Vulnerability Assessment

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Runtime Container Security

Not enough data

Not enough data

Network Scanning

Not enough data

Not enough data

Password Cracking

Not enough data

Not enough data

Simulated Threat Attacks

Not enough data

Not enough data

Certificates

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Cross-Site Scripting

Not enough data

Not enough data

Exploit Frameworks

Not enough data

Not enough data

Dynamic Application Security Testing (DAST)[Hide 13 FeaturesShow 13 Features](javascript:void(0);)

8.9

9

Not enough data

Administration

API / Integrations

8.9(won by default)

6

Not enough data

Extensibility

8.6(won by default)

6

Not enough data

Analysis

Reporting and Analytics

9.6(won by default)

8

Not enough data

Issue Tracking

9.6(won by default)

8

Not enough data

Vulnerability Scan

9.8(won by default)

9

Not enough data

Static Code Analysis

Feature Not Available

Not enough data

Code Analysis

Feature Not Available

Not enough data

Testing

Manual Testing

7.9(won by default)

7

Not enough data

Test Automation

8.8(won by default)

7

Not enough data

Compliance Testing

7.8(won by default)

6

Not enough data

Black-Box Scanning

9.0(won by default)

7

Not enough data

Detection Rate

9.5(won by default)

7

Not enough data

False Positives

7.9(won by default)

7

Not enough data

API Security[Hide 10 FeaturesShow 10 Features](javascript:void(0);)

8.9

12

Not enough data

API Management 

API Discovery

8.9(won by default)

9

Not enough data

Reporting

9.2(won by default)

10

Not enough data

API Monitoring

Feature Not Available

Not enough data

Change Management

Feature Not Available

Not enough data

Security Testing

API Testing

8.7(won by default)

10

Not enough data

Compliance Monitoring

Feature Not Available

Not enough data

API Verification

Feature Not Available

Not enough data

Security Management

Security and Policy Enforcement

Feature Not Available

Not enough data

Anomoly Detection

Feature Not Available

Not enough data

Bot Detection

Feature Not Available

Not enough data

Exposure Management Platforms[Hide 6 FeaturesShow 6 Features](javascript:void(0);)

8.4

16

Not enough data

Generative AI - Exposure Management Platforms

Predictive Analytics

7.0(won by default)

5

Not enough data

Automated Threat Detection

8.1(won by default)

6

Not enough data

Risk Identification and Assessment - Exposure Management Platforms

Comprehensive Risk Assessment

9.6(won by default)

9

Not enough data

Advanced Analytics and Reporting

8.0(won by default)

5

Not enough data

Monitoring and Integration - Exposure Management Platforms

Real-time Monitoring and Alerts

9.1(won by default)

11

Not enough data

Integration and Data Consolidation

Feature Not Available

Not enough data

Show 3 feature categories with incomplete data

Vulnerability Management[Hide 36 FeaturesShow 36 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Search/Filter

Not enough data

Not enough data

Risk Management

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Certificate Assessment

Not enough data

Not enough data

API

Not enough data

Not enough data

Incident Management

Not enough data

Not enough data

Automated Containment

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Policy Management

Not enough data

Not enough data

Asset Discovery

Not enough data

Not enough data

Penetration Testing

Not enough data

Not enough data

Runtime Container Security

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Issue Tracking

Not enough data

Not enough data

Threat Intelligence

Not enough data

Not enough data

Patch Management

Not enough data

Not enough data

Endpoint Management

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Vulnerability Management

Not enough data

Not enough data

Goal Setting/Tracking

Not enough data

Not enough data

Vulnerability Assessment

Not enough data

Not enough data

Asset Tagging

Not enough data

Not enough data

Assessment Management

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Vulnerability/Threat Prioritization

Not enough data

Not enough data

Vulnerability Protection

Not enough data

Not enough data

Risk Assessment

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

SQL Injections

Not enough data

Not enough data

Cloud Security Posture Management (CSPM)[Hide 11 FeaturesShow 11 Features](javascript:void(0);)

Not enough data

Not enough data

Configuration

DLP Configuration

Feature Not Available

Not enough data

Configuration Monitoring

Not enough data

Not enough data

Unified Policy Management

Not enough data

Not enough data

Adaptive Access Control

Feature Not Available

Not enough data

API / Integrations

Not enough data

Not enough data

Visibility

Multicloud Visibility

Not enough data

Not enough data

Asset Discovery

Not enough data

Not enough data

Vulnerability Management

Threat Hunting

Feature Not Available

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Vulnerability Intelligence

Not enough data

Not enough data

Risk-Prioritization

Not enough data

Not enough data

Cloud Security[Hide 48 FeaturesShow 48 Features](javascript:void(0);)

Not enough data

Not enough data

Cloud Visibility

Data Discovery

Not enough data

Not enough data

Cloud Registry

Not enough data

Not enough data

Cloud Gap Analytics

Not enough data

Not enough data

Security

Data Security

Not enough data

Not enough data

Data loss Prevention

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Cloud Application Security

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

Identity

SSO

Not enough data

Not enough data

Governance

Not enough data

Not enough data

User Analytics

Not enough data

Not enough data

Real-Time Analytics

Not enough data

Not enough data

Visual Analytics

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Additional Functionality

Alerts/Notifications

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Endpoint Management

Not enough data

Not enough data

Intrusion Detection System

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

API

Not enough data

Not enough data

Two-Factor Authentication

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Risk Assessment

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Event Logs

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Audit Management

Not enough data

Not enough data

Cloud Security Policy Management

Not enough data

Not enough data

Vulnerability Protection

Not enough data

Not enough data

Anti Virus

Not enough data

Not enough data

Incident Management

Not enough data

Not enough data

Threat Intelligence

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Status Tracking

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Real-Time Notifications

Not enough data

Not enough data

Patch Management

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Cloud Encryption

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Intruder](https://images.g2crowd.com/uploads/product/hd_favicon/1539808658/intruder.svg "Intruder")](https://www.g2.com/products/intruder/reviews)

Intruder

Small-Business(50 or fewer emp.)

57.4%

Mid-Market(51-1000 emp.)

38.0%

Enterprise(\> 1000 emp.)

4.6%

[![Tenable Nessus](https://images.g2crowd.com/uploads/product/hd_favicon/127e03b7d601741c15306f07b0f8cf84/tenable-nessus.svg "Tenable Nessus")](https://www.g2.com/products/tenable-nessus/reviews)

Tenable Nessus

Small-Business(50 or fewer emp.)

25.4%

Mid-Market(51-1000 emp.)

40.5%

Enterprise(\> 1000 emp.)

34.1%

Small-Business

(50 or fewer emp.)

57.4%

25.4%

Mid-Market

(51-1000 emp.)

38.0%

40.5%

Enterprise

(\> 1000 emp.)

4.6%

34.1%

Reviewers' Industry

[![Intruder](https://images.g2crowd.com/uploads/product/hd_favicon/1539808658/intruder.svg "Intruder")](https://www.g2.com/products/intruder/reviews)
Intruder

Computer Software

20.6%

Information Technology and Services

15.0%

Financial Services

7.9%

Computer & Network Security

6.1%

Insurance

3.3%

Other

47.2%

[![Tenable Nessus](https://images.g2crowd.com/uploads/product/hd_favicon/127e03b7d601741c15306f07b0f8cf84/tenable-nessus.svg "Tenable Nessus")](https://www.g2.com/products/tenable-nessus/reviews)
Tenable Nessus

Information Technology and Services

25.3%

Computer & Network Security

16.8%

Financial Services

7.1%

Computer Software

5.7%

Banking

5.1%

Other

40.1%

FAQs

## Intruder vs Tenable Nessus FAQs

Generated using AI

Last updated: August 14, 2026

### What is the difference between Intruder vs Tenable Nessus?

Intruder stands out for its higher reviewer satisfaction in ease of setup and support, while Tenable Nessus is recognized for its vulnerability identification capabilities.

| [Intruder](https://www.g2.com/products/intruder/reviews) | [Tenable Nessus](https://www.g2.com/products/tenable-nessus/reviews) |
| --- | --- |
| 4.8/5 (209 reviews) | 4.5/5 (305 reviews) |
| 9.6 | 8.8 |
| 9.7 | 8.4 |
| Ease of Use (41 all-time mentions) | Vulnerability Identification (20 all-time mentions) |

### How do the pricing models of Intruder and Tenable Nessus compare?

Intruder is rated higher for value, with reviewers expressing greater satisfaction with its pricing compared to Tenable Nessus.

- **Intruder:** Reviewers frequently highlight Intruder as cost-effective and note its competitive pricing, especially for small and mid-sized businesses.
- **Tenable Nessus:** Reviewers mention increasing costs and licensing complexity as trade-offs, with several noting that pricing could be a barrier for some organizations.
- **Switching reasons:** Recent reviews cite Intruder's lower cost and easier setup as reasons for choosing it over Tenable Nessus.

### What are the best alternatives to Intruder and Tenable Nessus?

Detectify, Invicti, and Intruder are the top alternatives to Tenable Nessus according to G2 rankings.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [Intruder](https://www.g2.com/products/intruder/reviews) | 4.8/5 (209 reviews) | — | Reviewers highlight cost-effectiveness and competitive pricing | Ease of Use (41 all-time mentions) |
| [Tenable Nessus](https://www.g2.com/products/tenable-nessus/reviews) | 4.5/5 (305 reviews) | Mid-Market | Reviewers mention increasing costs and licensing complexity | Vulnerability Identification (20 all-time mentions) |
| [Detectify](https://www.g2.com/products/detectify/reviews) | 4.5/5 (51 reviews) | Small-Business | — | Automated vulnerability detection |
| [Invicti](https://www.g2.com/products/invicti/reviews) | 4.5/5 (72 reviews) | Enterprise | — | Comprehensive web application security |

### Which Exposure Management Platforms features should I prioritize when comparing Intruder and Tenable Nessus?

Buyers should prioritize ease of setup, quality of support, integrations, reporting, and vulnerability detection when comparing Intruder and Tenable Nessus.

- **Ease of Setup:** Intruder scores 9.6, Tenable Nessus 8.8.
- **Quality of Support:** Intruder scores 9.7, Tenable Nessus 8.4.
- **Integrations:** Intruder has 19 all-time mentions for easy integrations; Tenable Nessus supports integrations via APIs and plugins.
- **Reporting:** Reporting is the most frequently mentioned feature across both products.
- **Vulnerability Detection:** Intruder has 30 all-time mentions, Tenable Nessus 18 all-time mentions.

### What are the pros and cons of Intruder vs Tenable Nessus?

Intruder's headline strength is ease of use, while Tenable Nessus is most recognized for vulnerability identification.

- **Intruder strengths:** Ease of Use (41 all-time mentions), Customer Support (25), User Interface (24), Setup Ease (23), Automated Scanning (20), Easy Integrations (19).
- **Intruder trade-offs:** Reviewers mention higher pricing (9 all-time mentions) and occasional scan speed issues.
- **Tenable Nessus strengths:** Vulnerability Identification (20 all-time mentions), Vulnerability Detection (18), Automated Scanning (15), Features (13), User Interface (13).
- **Tenable Nessus trade-offs:** Reviewers cite slow scanning (7 all-time mentions), higher cost (6), limited features (6), complexity (5), and false positives (5).

### Is Intruder or Tenable Nessus better for small businesses?

Intruder is the better fit for small businesses, with reviewers consistently highlighting its ease of use and cost-effectiveness for smaller teams.

- **Intruder:** Reviewers from small businesses praise its intuitive interface, quick setup, and value for money.
- **Tenable Nessus:** Largest segment is Mid-Market; reviewers note its comprehensive scanning but mention higher costs and complexity for smaller organizations.

### Which Exposure Management Platforms platform has better integrations?

Intruder is favored for integrations, with more reviewer-cited integration mentions than Tenable Nessus.

- **Intruder:** Jira (8 all-time mentions), AWS Cloud (1 all-time mention), Azure DevOps (recent reviews).
- **Tenable Nessus:** Integrates via APIs and plugins, with recent reviews mentioning HCL BigFix and general integration capabilities.

### How do Intruder and Tenable Nessus compare on customer support?

Intruder leads on Quality of Support with a 1.3-point advantage over Tenable Nessus (9.7 vs 8.4).

- **Intruder:** Reviewers consistently praise responsive, knowledgeable, and proactive support, with 25 all-time mentions for customer support.
- **Tenable Nessus:** Reviewers describe support as helpful and quick, but note occasional delays and less proactive engagement.

### Which is easier to implement, Intruder or Tenable Nessus?

Intruder is easier to implement, with a 0.8-point higher Ease of Setup score than Tenable Nessus (9.6 vs 8.8).

- **Intruder:** Reviewers highlight quick, straightforward setup, often completed in hours, and minimal configuration requirements.
- **Tenable Nessus:** Reviewers note that setup is generally easy but can be more complex for advanced configurations or larger environments.

### Which product has better Reporting?

Intruder is favored for Reporting, with more reviewer-cited strengths and higher satisfaction scores.

- **Intruder:** Reporting is frequently praised for clarity and actionable insights; reviewers cite clear, professional reports and easy export options.
- **Tenable Nessus:** Reviewers note comprehensive reporting but mention limited customization and export flexibility as trade-offs.

Alternatives

**Intruder Alternatives**

 ![Detectify](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_b3060aea2f789d838e7b2fa172ee4fdf/detectify.png "Detectify")

[
Detectify
](/products/detectify/reviews)

 ![Invicti](https://images.g2crowd.com/uploads/product/hd_favicon/3bee4d2b732dab5368b9a8aa21f05e30/invicti.svg "Invicti")

[
Invicti
](/products/invicti/reviews)

 ![Beagle Security](https://images.g2crowd.com/uploads/product/hd_favicon/5440c6023df95925d392ff3dd1b689da/beagle-security.svg "Beagle Security")

[
Beagle Security
](/products/beagle-security/reviews)

 ![Pentest-Tools.com](https://images.g2crowd.com/uploads/product/hd_favicon/05d143b02714bffe40e07ed33482802f/pentest-tools-com.svg "Pentest-Tools.com")

[
Pentest-Tools.com
](/products/pentest-tools-com/reviews)

**Tenable Nessus Alternatives**

 ![Invicti](https://images.g2crowd.com/uploads/product/hd_favicon/3bee4d2b732dab5368b9a8aa21f05e30/invicti.svg "Invicti")

[
Invicti
](/products/invicti/reviews)

 ![Detectify](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_b3060aea2f789d838e7b2fa172ee4fdf/detectify.png "Detectify")

[
Detectify
](/products/detectify/reviews)

 ![Wiz](https://images.g2crowd.com/uploads/product/hd_favicon/991dbad301661dc9e1b78a7e252252b4/wiz-wiz.svg "Wiz")

[
Wiz
](/products/wiz-wiz/reviews)

 ![Burp Suite](https://images.g2crowd.com/uploads/product/hd_favicon/1084a0792dcd7344d19c56aea015669c/burp-suite.svg "Burp Suite")

[
Burp Suite
](/products/burp-suite/reviews)