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# Nucleus vs Tenable Security Center Comparison - What are their main differences?

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NucleusTenable Security Center[+ Add Product](#)

Reviews

**Nucleus** [

4.5/5(32)

](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews#reviews)

**Tenable Security Center** [

4.6/5(84)

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

Pricing

**Nucleus**
Free Trial

**Contact Us** 1 Application / Device · Nucleus Security

**Tenable Security Center**
No pricing available

**Pricing Insights**
from reviews

Time to Implement

**Nucleus**
Not enough reviews yet

**Tenable Security Center**
2 months

Based on 9 responses

Return on Investment

**Nucleus**
Not enough reviews yet

**Tenable Security Center**
14 months

Based on 5 responses

Perceived Cost

**Nucleus**
Not enough reviews yet

**Tenable Security Center**
$$$$$

Average Discount

**Nucleus**
Not enough reviews yet

**Tenable Security Center**
Not enough reviews yet

Pros & Cons

**Nucleus**
[
Automation (1)
](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews?filters%5Bsentiment_snippet%5D=2371764&qs=pros-and-cons#reviews)[
Customization (1)
](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews?filters%5Bsentiment_snippet%5D=2371683&qs=pros-and-cons#reviews)[
Inadequate Remediation (1)
](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews?filters%5Bsentiment_snippet%5D=2371707&qs=pros-and-cons#reviews)

**Tenable Security Center**
[
Features (2)
](https://www.g2.com/products/tenable-security-center/reviews?filters%5Bsentiment_snippet%5D=1119628&qs=pros-and-cons#reviews)[
Compliance Management (1)
](https://www.g2.com/products/tenable-security-center/reviews?filters%5Bsentiment_snippet%5D=1119769&qs=pros-and-cons#reviews)[
Complexity (1)
](https://www.g2.com/products/tenable-security-center/reviews?filters%5Bsentiment_snippet%5D=1119954&qs=pros-and-cons#reviews)[
Complex Queries (1)
](https://www.g2.com/products/tenable-security-center/reviews?filters%5Bsentiment_snippet%5D=1117482&qs=pros-and-cons#reviews)

Integrations

**Nucleus**
Not enough data

**Tenable Security Center**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_da836c06c61c98d4a0795c7cfc3a9a5a/servicenow-it-service-management.jpg "Product Avatar Image")

ServiceNow IT Service...

](https://www.g2.com/products/servicenow-it-service-management/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_91bcb2c063fcfb0a82dfedcf1a6463d1/splunk-enterprise.jpg "Product Avatar Image")

Splunk Enterprise

](https://www.g2.com/products/splunk-enterprise/reviews)[
View all
](https://www.g2.com/products/tenable-security-center/integrations)

Screenshots

**Nucleus**
 ![Nucleus 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/133217/pd-mmlarge-blur.png)

**Tenable Security Center**
No screenshot available

Ratings

Meets Requirements

**Nucleus**

8.3

8.323

**Tenable Security Center**

9.2

9.246

Ease of Use

**Nucleus**

8.8

8.824

**Tenable Security Center**

8.7

8.750

Ease of Setup

**Nucleus**

8.3

8.313

**Tenable Security Center**

8.6

8.644

Ease of Admin

**Nucleus**

8.3

8.313

**Tenable Security Center**

8.6

8.644

Quality of Support

**Nucleus**

8.7

8.723

**Tenable Security Center**

8.5

8.549

Has the product been a good partner in doing business?

**Nucleus**

8.9

8.912

**Tenable Security Center**

8.8

8.841

Product Direction (% positive)

**Nucleus**

9.3

9.317

**Tenable Security Center**

8.5

8.546

Features

Risk-Based Vulnerability Management[Hide 11 FeaturesShow 11 Features](javascript:void(0);)

8.6

15

8.7

44

Risk Analysis

Risk Scoring

8.9

14

9.2(won by 0.3)

35

Reporting

8.5

14

8.6(won by 0.1)

37

Risk-Prioritization

9.0

14

9.4(won by 0.4)

36

Vulnerability Assesment

Vulnerability Scanning

9.0

12

9.7(won by 0.7)

36

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

Vulnerability Intelligence

9.2

14

9.5(won by 0.3)

35

Contextual Data

8.3

14

9.3(won by 1.0)

31

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

Dashboards

8.3

14

8.9(won by 0.6)

35

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

Automation

Automated Remediation

8.6(won by 1.1)

11

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

7.5

21

Workflow Automation

8.9(won by 1.1)

12

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

7.8

27

Security Testing

8.2(won by 0.1)

10

8.1

26

Test Automation

8.1

8

8.2(won by 0.1)

25

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

Not enough data

8.6

43

Performance

Issue Tracking

Not enough data

8.0(won by default)

29

Detection Rate

Not enough data

8.8(won by default)

33

False Positives

Not enough data

7.9(won by default)

33

Automated Scans

Not enough data

9.1(won by default)

35

Anomaly/Malware Detection

Not enough data

Not enough data

Network

Compliance Testing

Not enough data

9.1(won by default)

30

Perimeter Scanning

Not enough data

9.1(won by default)

31

Configuration Monitoring

Not enough data

8.9(won by default)

24

Vulnerability Scanning

Not enough data

Not enough data

Source-Code Scanning

Not enough data

Not enough data

Web Scanning

Not enough data

Not enough data

Application

Manual Application Testing

Not enough data

8.5(won by default)

19

Static Code Analysis

Not enough data

7.9(won by default)

15

Black Box Testing

Not enough data

8.3(won by default)

20

Risk Analysis

Not enough data

Not enough data

Agentic AI - Vulnerability Scanner

Autonomous Task Execution

Not enough data

Not enough data

Proactive Assistance

Not enough data

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

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

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

ServiceNow Store Apps[Hide 6 FeaturesShow 6 Features](javascript:void(0);)

Not enough data

Not enough data

ServiceNow Apps

ServiceNow Integration

Not enough data

Not enough data

Value

Not enough data

Not enough data

Agentic AI - ServiceNow Store Apps

Autonomous Task Execution

Not enough data

Not enough data

Multi-step Planning

Not enough data

Not enough data

Cross-system Integration

Not enough data

Not enough data

Proactive Assistance

Not enough data

Not enough data

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

Not enough data

Not enough data

Generative AI - Exposure Management Platforms

Predictive Analytics

Not enough data

Not enough data

Automated Threat Detection

Not enough data

Not enough data

Risk Identification and Assessment - Exposure Management Platforms

Comprehensive Risk Assessment

Not enough data

Not enough data

Advanced Analytics and Reporting

Not enough data

Not enough data

Monitoring and Integration - Exposure Management Platforms

Integration and Data Consolidation

Not enough data

Not enough data

Real-time Monitoring and Alerts

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![Nucleus](https://images.g2crowd.com/uploads/product/hd_favicon/4f736a33f154423b66d7d98e5d0d7bfe/nucleus-security-inc-nucleus.svg "Nucleus")](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews)

Nucleus

Small-Business(50 or fewer emp.)

9.7%

Mid-Market(51-1000 emp.)

38.7%

Enterprise(\> 1000 emp.)

51.6%

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

Tenable Security Center

Small-Business(50 or fewer emp.)

13.5%

Mid-Market(51-1000 emp.)

23.0%

Enterprise(\> 1000 emp.)

63.5%

Small-Business

(50 or fewer emp.)

9.7%

13.5%

Mid-Market

(51-1000 emp.)

38.7%

23.0%

Enterprise

(\> 1000 emp.)

51.6%

63.5%

Reviewers' Industry

[![Nucleus](https://images.g2crowd.com/uploads/product/hd_favicon/4f736a33f154423b66d7d98e5d0d7bfe/nucleus-security-inc-nucleus.svg "Nucleus")](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews)
Nucleus

Computer & Network Security

30.0%

Airlines/Aviation

30.0%

Financial Services

10.0%

Information Technology and Services

6.7%

Computer Software

6.7%

Other

16.7%

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

Financial Services

13.5%

Banking

13.5%

Computer & Network Security

12.2%

Information Technology and Services

9.5%

Government Administration

6.8%

Other

44.6%

FAQs

## Nucleus vs Tenable Security Center FAQs

Generated using AI

Last updated: August 16, 2026

### What is the difference between Tenable Security Center vs Nucleus?

Tenable Security Center stands out for its higher G2 rating and stronger support for enterprise requirements, while Nucleus is noted for its customization and automation strengths.

| [Tenable Security Center](https://www.g2.com/products/tenable-security-center/reviews) | [Nucleus](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews) |
| --- | --- |
| 4.6/5 (83 reviews) | 4.5/5 (32 reviews) |
| Enterprise | Enterprise |
| 8.6 | 8.3 |
| 8.5 | 8.7 |
| Compliance Management | Automation |

### How do the pricing models of Tenable Security Center and Nucleus compare?

Reviewers consider Nucleus the stronger value on price and cost satisfaction, with a higher satisfaction score for pricing.

- **Tenable Security Center:** Reviewers frequently mention the cost as a downside, noting that new features often require additional fees and upgrades can feel expensive.
- **Nucleus:** In recent reviews, buyers highlight the platform's value, especially for its automation and customization capabilities, with no significant negative sentiment on pricing.

### What are the best alternatives to Tenable Security Center and Nucleus?

The top 3 alternatives to Tenable Security Center and Nucleus are Cisco Vulnerability Management, InsightVM (Nexpose), and Qualys VMDR.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [Tenable Security Center](https://www.g2.com/products/tenable-security-center/reviews) | 4.6/5 (83 reviews) | Enterprise | Cost is a frequent concern in recent reviews | Compliance Management |
| [Nucleus](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews) | 4.5/5 (32 reviews) | Enterprise | Reviewers highlight strong value for automation and customization | Automation |
| [Cisco Vulnerability Management](https://www.g2.com/products/cisco-vulnerability-management-formerly-kenna-vm/reviews) | 4.3/5 (217 reviews) | Enterprise | — | Risk prioritization |
| [InsightVM (Nexpose)](https://www.g2.com/products/insightvm-nexpose/reviews) | 4.4/5 (79 reviews) | Enterprise | — | Comprehensive vulnerability coverage |
| [Qualys VMDR](https://www.g2.com/products/qualys-vmdr/reviews) | 4.4/5 (168 reviews) | Enterprise | — | Cloud-based scalability |

### Which Risk-Based Vulnerability Management features should I prioritize when comparing Tenable Security Center and Nucleus?

Buyers should prioritize Reporting, Automation, Dashboard Usability, Compliance Management, and Customization when comparing Tenable Security Center and Nucleus.

- **Reporting:** Tenable Security Center (all-time mentions: 1), Nucleus (all-time mentions: 1)
- **Automation:** Tenable Security Center (—), Nucleus (all-time mentions: 1)
- **Dashboard Usability:** Tenable Security Center (all-time mentions: 1), Nucleus (all-time mentions: 1)
- **Compliance Management:** Tenable Security Center (all-time mentions: 1), Nucleus (—)
- **Customization:** Tenable Security Center (—), Nucleus (all-time mentions: 1)

### What are the pros and cons of Tenable Security Center vs Nucleus?

Tenable Security Center's headline strength is compliance management, while Nucleus excels in automation and customization.

- **Tenable Security Center strengths:** Compliance management (all-time mentions: 1), robust reporting features (all-time mentions: 1), strong dashboard usability (all-time mentions: 1), and comprehensive cybersecurity coverage (all-time mentions: 1).
- **Tenable Security Center trade-offs:** Complexity and difficult setup (all-time mentions: 1 each), resource-intensive scans (all-time mentions: 1), integration issues (all-time mentions: 1), and higher cost sentiment in recent reviews.
- **Nucleus strengths:** Automation (all-time mentions: 1), customization (all-time mentions: 1), dashboard design and usability (all-time mentions: 1 each), and reporting efficiency (all-time mentions: 1).
- **Nucleus trade-offs:** Inadequate remediation and some reporting limitations (all-time mentions: 1 each), with recent reviews noting occasional platform bugs and slower processing times.

### Is Tenable Security Center or Nucleus better for small businesses?

Neither Tenable Security Center nor Nucleus is primarily focused on small businesses, as both have Enterprise as their largest reviewer segment.

- **Tenable Security Center:** Enterprise segment, with reviewers noting the platform's comprehensive features but also mentioning complexity and higher costs, which may be less suitable for small businesses.
- **Nucleus:** Enterprise segment, with reviewers highlighting automation and customization, but also noting that setup and some advanced features may require more resources than typical small businesses possess.

### Which Risk-Based Vulnerability Management platform has better integrations?

Reviewers cite parity between Tenable Security Center and Nucleus for integrations, with both products supporting integrations but no clear leader in recent reviews.

- **Tenable Security Center:** Reviewers mention integration with ServiceNow and other IT operations tools in recent reviews.
- **Nucleus:** Reviewers highlight API-centric design and integration with ticketing systems and asset scanners, with specific mentions of Jira and Rumble Network Discovery.

### How do Tenable Security Center and Nucleus compare on customer support?

Nucleus has a slightly higher Quality of Support score (8.7 vs 8.5), but both products are rated highly and are within the materiality threshold for parity.

- **Tenable Security Center:** Reviewers frequently describe responsive support, though some mention delays and complex documentation.
- **Nucleus:** Reviewers consistently praise proactive and knowledgeable customer support, with several citing strong partnerships and fast issue resolution.

### Which is easier to implement, Tenable Security Center or Nucleus?

Tenable Security Center and Nucleus score within 0.3 points on Ease of Setup (8.6 vs 8.3), indicating near parity, with both products requiring some initial configuration effort.

- **Tenable Security Center:** Reviewers note that setup can be complex and resource-intensive, but also mention available training and support resources.
- **Nucleus:** Reviewers highlight that initial setup requires learning the tool and configuring integrations, but praise the platform's documentation and support during onboarding.

### Which product has better Reporting?

Reporting is the most frequently mentioned feature across both Tenable Security Center and Nucleus, with both products receiving positive reviewer sentiment for their reporting capabilities.

- **Tenable Security Center:** Reporting features are cited as a key strength (all-time mentions: 1), with reviewers highlighting robust and customizable dashboards.
- **Nucleus:** Reporting is frequently praised (all-time mentions: 1), with reviewers noting efficient scheduling, automation, and dashboard-driven insights, though some mention a desire for more customizable report templates.

Alternatives

**Nucleus Alternatives**

 ![Cisco Vulnerability Management (formerly Kenna.VM)](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_522b7c020f205bc7a58f4cf24758aed7/cisco-vulnerability-management-formerly-kenna-vm.jpg "Cisco Vulnerability Management (formerly Kenna.VM)")

[
Cisco Vulnerability...
](/products/cisco-vulnerability-management-formerly-kenna-vm/reviews)

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

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

 ![CloudBees](https://images.g2crowd.com/uploads/product/hd_favicon/87a3b92cea3fbc3b93144f9fd68c968d/cloudbees.svg "CloudBees")

[
CloudBees
](/products/cloudbees/reviews)

 ![Ivanti Autonomous Endpoint Management](https://images.g2crowd.com/uploads/product/hd_favicon/4c3b85f837807793635c7c336ce2a6a7/ivanti-autonomous-endpoint-management.svg "Ivanti Autonomous Endpoint Management")

[
Ivanti Autonomous Endpoint Management
](/products/ivanti-autonomous-endpoint-management/reviews)

**Tenable Security Center Alternatives**

 ![InsightVM (Nexpose)](https://images.g2crowd.com/uploads/product/hd_favicon/1d6a2407e149c3d13d93bc4b09b076d6/insightvm-nexpose.svg "InsightVM (Nexpose)")

[
InsightVM (Nexpose)
](/products/insightvm-nexpose/reviews)

 ![Qualys VMDR](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_8f9c479b207589ba8dc7777f344ab0ac/qualys-vmdr.png "Qualys VMDR")

[
Qualys VMDR
](/products/qualys-vmdr/reviews)

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

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

 ![Arctic Wolf](https://images.g2crowd.com/uploads/product/hd_favicon/e17f8827b53eed6a18e05b301c792617/arctic-wolf.svg "Arctic Wolf")

[
Arctic Wolf
](/products/arctic-wolf/reviews)

## Nucleus vs Tenable Security Center

When assessing the two solutions, reviewers found Nucleus easier to use and do business with overall. However, reviewers preferred the ease of set up with Tenable Security Center, along with administration.

- Reviewers felt that Tenable Security Center meets the needs of their business better than Nucleus.
- When comparing quality of ongoing product support, reviewers felt that Nucleus is the preferred option.
- For feature updates and roadmaps, our reviewers preferred the direction of Nucleus over Tenable Security Center.