# Nucleus, VulScan vs Tenable Security Center Comparison

| | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Star Rating** | 4.5 out of 5 | 4.1 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 32 | 120 | 83 | 
| **Largest Market Segment** | Enterprise (51.6% of reviews) | Small-Business (66.7% of reviews) | Enterprise (64.4% of reviews) | 
| **Entry Level Price** | Contact Us 1 Application / Device | No pricing available | No pricing available | 

---
## Top Pros & Cons

### Nucleus

Pros:
- Automation (1 reviews)
- Customization (1 reviews)

Cons:
- Inadequate Remediation (1 reviews)

### VulScan

Pros:
- Ease of Use (42 reviews)
- Features (20 reviews)

Cons:
- Inadequate Reporting (10 reviews)
- UX Improvement (10 reviews)

### Tenable Security Center

Pros:
- Features (2 reviews)
- Compliance Management (1 reviews)

Cons:
- Complexity (1 reviews)
- Complex Queries (1 reviews)

---
## Ratings Comparison
| Rating | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
  | **Meets Requirements** | 8.3 (23 reviews) | 8.0 (105 reviews) | 9.2 (45 reviews) | 
  | **Ease of Use** | 8.8 (24 reviews) | 8.1 (111 reviews) | 8.6 (49 reviews) | 
  | **Ease of Setup** | 8.3 (13 reviews) | 7.5 (104 reviews) | 8.6 (43 reviews) | 
  | **Ease of Admin** | 8.3 (13 reviews) | 7.9 (94 reviews) | 8.6 (43 reviews) | 
  | **Quality of Support** | 8.7 (23 reviews) | 8.1 (96 reviews) | 8.5 (48 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.9 (12 reviews) | 8.2 (91 reviews) | 8.8 (40 reviews) | 
  | **Product Direction (% positive)** | 9.3 (17 reviews) | 7.9 (106 reviews) | 8.4 (45 reviews) | 

---
## Pricing

### Nucleus

#### Entry-Level Pricing

Plan: Nucleus Security

Price: Contact Us 1 Application / Device

Key Features:
- Asset & Vulnerability Inventory
- Contextual Threat Enrichment
- Analyst Workbench

[Learn more about Nucleus](https://www.g2.com/products/nucleus-security-inc-nucleus/reviews)

#### Free Trial

Yes

### VulScan

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Tenable Security Center

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

---
## Features Comparison By Category

### Vulnerability Scanner

| Product | Score | Reviews |
|---|---|---|
| **Nucleus** | N/A | N/A |
| **VulScan** | 6.7/10 | 87 |
| **Tenable Security Center** | 8.6/10 | 43 |

#### Performance

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Issue Tracking** | Not enough data | 7.6 (82 reviews) | 8.0 (29 reviews) | 
| **Detection Rate** | Not enough data | 7.7 (85 reviews) | 8.8 (33 reviews) | 
| **False Positives** | Not enough data | 6.0 (82 reviews) | 7.9 (33 reviews) | 
| **Automated Scans** | Not enough data | 8.6 (83 reviews) | 9.1 (35 reviews) | 

#### Network

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Compliance Testing** | Not enough data | 7.6 (79 reviews) | 9.0 (29 reviews) | 
| **Perimeter Scanning** | Not enough data | 7.8 (80 reviews) | 9.1 (31 reviews) | 
| **Configuration Monitoring** | Not enough data | 6.9 (76 reviews) | 8.9 (24 reviews) | 

#### Application

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Manual Application Testing** | Not enough data | 6.3 (76 reviews) | 8.5 (19 reviews) | 
| **Static Code Analysis** | Not enough data | Feature Not Available | 7.9 (15 reviews) | 
| **Black Box Testing** | Not enough data | 6.0 (73 reviews) | 8.3 (20 reviews) | 

#### Agentic AI - Vulnerability Scanner

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 4.9 (13 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 4.4 (13 reviews) | Not enough data | 

### Risk-Based Vulnerability Management

| Product | Score | Reviews |
|---|---|---|
| **Nucleus** | 8.6/10 | 15 |
| **VulScan** | 7.0/10 | 39 |
| **Tenable Security Center** | 8.7/10 | 43 |

#### Risk Analysis

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Risk Scoring** | 8.9 (14 reviews) | 7.8 (37 reviews) | 9.1 (35 reviews) | 
| **Reporting** | 8.5 (14 reviews) | 7.2 (38 reviews) | 8.6 (36 reviews) | 
| **Risk-Prioritization** | 9.0 (14 reviews) | 7.5 (37 reviews) | 9.4 (36 reviews) | 

#### Vulnerability Assesment

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Vulnerability Scanning** | 9.0 (12 reviews) | 8.2 (39 reviews) | 9.6 (35 reviews) | 
| **Vulnerability Intelligence** | 9.2 (14 reviews) | 7.6 (38 reviews) | 9.5 (35 reviews) | 
| **Contextual Data** | 8.3 (14 reviews) | 7.1 (34 reviews) | 9.3 (31 reviews) | 
| **Dashboards** | 8.3 (14 reviews) | 6.8 (38 reviews) | 8.9 (35 reviews) | 

#### Automation

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Automated Remediation** | 8.6 (11 reviews) | 5.1 (31 reviews) | 7.5 (21 reviews) | 
| **Workflow Automation** | 8.9 (12 reviews) | 6.0 (32 reviews) | 7.8 (27 reviews) | 
| **Security Testing** | 8.2 (10 reviews) | 6.1 (36 reviews) | 8.1 (26 reviews) | 
| **Test Automation** | 8.1 (8 reviews) | 7.2 (32 reviews) | 8.2 (25 reviews) | 

### ServiceNow Store Apps

| Product | Score | Reviews |
|---|---|---|
| **Nucleus** | N/A | N/A |
| **VulScan** | N/A | N/A |
| **Tenable Security Center** | N/A | N/A |

#### ServiceNow Apps

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **ServiceNow Integration** | Not enough data | Not enough data | Not enough data | 
| **Value** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - ServiceNow Store Apps

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

### IT Risk Management

| Product | Score | Reviews |
|---|---|---|
| **Nucleus** | N/A | N/A |
| **VulScan** | 4.4/10 | 15 |
| **Tenable Security Center** | N/A | N/A |

#### Generative AI

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **AI Text Generation** | Not enough data | 4.4 (15 reviews) | Not enough data | 

#### Monitoring - IT Risk Management

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **AI Monitoring** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - IT Risk Management

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 

### Exposure Management Platforms

| Product | Score | Reviews |
|---|---|---|
| **Nucleus** | N/A | N/A |
| **VulScan** | N/A | N/A |
| **Tenable Security Center** | N/A | N/A |

#### Generative AI - Exposure Management Platforms

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Predictive Analytics** | Not enough data | Not enough data | Not enough data | 
| **Automated Threat Detection** | Not enough data | Not enough data | Not enough data | 

#### Risk Identification and Assessment - Exposure Management Platforms

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Comprehensive Risk Assessment** | Not enough data | Not enough data | Not enough data | 
| **Advanced Analytics and Reporting** | Not enough data | Not enough data | Not enough data | 

#### Monitoring and Integration - Exposure Management Platforms

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Integration and Data Consolidation** | Not enough data | Not enough data | Not enough data | 
| **Real-time Monitoring and Alerts** | Not enough data | Not enough data | Not enough data | 

### Threat Intelligence

| Product | Score | Reviews |
|---|---|---|
| **Nucleus** | N/A | N/A |
| **VulScan** | 7.1/10 | 26 |
| **Tenable Security Center** | N/A | N/A |

#### Orchestration

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Asset Management** | Not enough data | 7.4 (23 reviews) | Not enough data | 
| **Security Workflow Automation** | Not enough data | 6.9 (22 reviews) | Not enough data | 
| **Deployment** | Not enough data | 7.5 (24 reviews) | Not enough data | 
| **Sandboxing** | Not enough data | 6.3 (21 reviews) | Not enough data | 

#### Information

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Proactive Alerts** | Not enough data | 7.6 (23 reviews) | Not enough data | 
| **Malware Detection** | Not enough data | 6.7 (23 reviews) | Not enough data | 
| **Intelligence Reports** | Not enough data | 7.6 (24 reviews) | Not enough data | 

#### Personalization

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Endpoint Intelligence** | Not enough data | 8.0 (24 reviews) | Not enough data | 
| **Security Validation** | Not enough data | 8.1 (24 reviews) | Not enough data | 
| **Dynamic/Code Analysis** | Not enough data | Feature Not Available | Not enough data | 

#### Generative AI

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **AI Text Summarization** | Not enough data | 4.5 (10 reviews) | Not enough data | 
| **Generate Attack Scenarios** | Not enough data | Not enough data | Not enough data | 
| **Generate Threat Detection Rules** | Not enough data | Not enough data | Not enough data | 
| **Generate Threat Summaries** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Threat Intelligence

| Feature | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Risk-Based Vulnerability Management Software](https://www.g2.com/categories/risk-based-vulnerability-management)

**Unique to Nucleus (2):** [Exposure Management Platforms](https://www.g2.com/categories/exposure-management-platforms), [ServiceNow Marketplace Apps](https://www.g2.com/categories/servicenow-store-apps)

**Unique to VulScan (3):** [Vulnerability Scanner Software](https://www.g2.com/categories/vulnerability-scanner), [Threat Intelligence Software](https://www.g2.com/categories/threat-intelligence), [IT Risk Management Software](https://www.g2.com/categories/it-risk-management)

**Unique to Tenable Security Center (1):** [Vulnerability Scanner Software](https://www.g2.com/categories/vulnerability-scanner)


---
## Reviewer Demographics

### By Company Size

| Segment | Nucleus | VulScan | Tenable Security Center | 
|---|---|---|---|
| **Small-Business** | 9.7% | 66.7% | 13.7% | 
| **Mid-Market** | 38.7% | 31.7% | 21.9% | 
| **Enterprise** | 51.6% | 1.7% | 64.4% | 

### By Industry

#### Nucleus

- **Computer & Network Security:** 30.0%
- **Airlines/Aviation:** 30.0%
- **Financial Services:** 10.0%
- **Information Technology and Services:** 6.7%
- **Computer Software:** 6.7%
- **Aviation & Aerospace:** 6.7%
- **Utilities:** 3.3%
- **Hospital & Health Care:** 3.3%
- **Consumer Services:** 3.3%

#### VulScan

- **Information Technology and Services:** 42.5%
- **Computer & Network Security:** 30.8%
- **Computer Networking:** 3.3%
- **Financial Services:** 2.5%
- **Computer Software:** 1.7%
- **Construction:** 1.7%
- **Accounting:** 0.8%
- **Animation:** 0.8%
- **Apparel & Fashion:** 0.8%
- **Business Supplies and Equipment:** 0.8%
- **Other:** 14.2%

#### Tenable Security Center

- **Financial Services:** 13.7%
- **Banking:** 13.7%
- **Computer & Network Security:** 12.3%
- **Information Technology and Services:** 9.6%
- **Government Administration:** 6.8%
- **Education Management:** 4.1%
- **Insurance:** 4.1%
- **Defense & Space:** 4.1%
- **Hospital & Health Care:** 4.1%
- **Pharmaceuticals:** 2.7%
- **Other:** 24.7%

---
## Alternatives

### Alternatives to Nucleus

- [Cisco Vulnerability Management (formerly Kenna.VM)](https://www.g2.com/products/cisco-vulnerability-management-formerly-kenna-vm/reviews) — 4.3/5 stars (217 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (785 reviews)
- [CloudBees](https://www.g2.com/products/cloudbees/reviews) — 4.4/5 stars (622 reviews)
- [Arctic Wolf](https://www.g2.com/products/arctic-wolf/reviews) — 4.7/5 stars (279 reviews)
- [TrendAI Vision One](https://www.g2.com/products/trendai-vision-one/reviews) — 4.7/5 stars (251 reviews)
- [Recorded Future](https://www.g2.com/products/recorded-future/reviews) — 4.6/5 stars (229 reviews)
- [Intruder](https://www.g2.com/products/intruder/reviews) — 4.8/5 stars (206 reviews)
- [Qualys VMDR](https://www.g2.com/products/qualys-vmdr/reviews) — 4.4/5 stars (167 reviews)
- [Tenable Vulnerability Management](https://www.g2.com/products/tenable-vulnerability-management/reviews) — 4.5/5 stars (122 reviews)
- [Brinqa](https://www.g2.com/products/brinqa/reviews) — 3.6/5 stars (15 reviews)

### Alternatives to VulScan

- [Tenable Nessus](https://www.g2.com/products/tenable-nessus/reviews) — 4.5/5 stars (301 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (785 reviews)
- [CrowdStrike Falcon Endpoint Protection Platform](https://www.g2.com/products/crowdstrike-falcon-endpoint-protection-platform/reviews) — 4.7/5 stars (403 reviews)
- [Vendor Risk](https://www.g2.com/products/vendor-risk/reviews) — 4.5/5 stars (706 reviews)
- [Sprinto](https://www.g2.com/products/sprinto-inc/reviews) — 4.8/5 stars (1637 reviews)
- [Optro](https://www.g2.com/products/optro/reviews) — 4.6/5 stars (1595 reviews)
- [Scrut Automation](https://www.g2.com/products/scrut-automation/reviews) — 4.9/5 stars (1300 reviews)
- [CloudBees](https://www.g2.com/products/cloudbees/reviews) — 4.4/5 stars (622 reviews)
- [Cloudflare Application Security and Performance](https://www.g2.com/products/cloudflare-application-security-and-performance/reviews) — 4.5/5 stars (600 reviews)
- [Thoropass](https://www.g2.com/products/thoropass/reviews) — 4.7/5 stars (579 reviews)

### Alternatives to Tenable Security Center

- [InsightVM (Nexpose)](https://www.g2.com/products/insightvm-nexpose/reviews) — 4.4/5 stars (78 reviews)
- [Qualys VMDR](https://www.g2.com/products/qualys-vmdr/reviews) — 4.4/5 stars (167 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (785 reviews)
- [Arctic Wolf](https://www.g2.com/products/arctic-wolf/reviews) — 4.7/5 stars (279 reviews)
- [Red Hat Ansible Automation Platform](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews) — 4.6/5 stars (377 reviews)
- [CloudBees](https://www.g2.com/products/cloudbees/reviews) — 4.4/5 stars (622 reviews)
- [Cisco Vulnerability Management (formerly Kenna.VM)](https://www.g2.com/products/cisco-vulnerability-management-formerly-kenna-vm/reviews) — 4.3/5 stars (217 reviews)
- [Gearset DevOps](https://www.g2.com/products/gearset-devops/reviews) — 4.7/5 stars (292 reviews)
- [Harness Platform](https://www.g2.com/products/harness-platform/reviews) — 4.6/5 stars (281 reviews)
- [SentinelOne Singularity Endpoint](https://www.g2.com/products/sentinelone-singularity-endpoint/reviews) — 4.7/5 stars (201 reviews)

---
## Top Discussions

### Nucleus

- Title: [How to retain my preferences.](https://www.g2.com/discussions/how-to-retain-my-preferences) — 1 comment, 1 upvote
  > **Top comment:** "Hello Pradeep! The capability to retain preferences is on our roadmap and has been prioritized, as it is a request from multiple large-enterprise customers."

### VulScan

No discussions available for this product.

### Tenable Security Center

- Title: [What is Tenable.sc used for?](https://www.g2.com/discussions/tenable-security-center-what-is-tenable-sc-used-for) — 1 comment
  > **Top comment:** "Tenable products look for vulnerabilities in systems and devices.  This way you can fix those before the bad gues get in.  Think of it this way.  Remember..."
- Title: [What is the best way to break up scans so they don't use licenses up and so scans don't end up getting blocked?](https://www.g2.com/discussions/32520-what-is-the-best-way-to-break-up-scans-so-they-don-t-use-licenses-up-and-so-scans-don-t-end-up-getting-blocked) — 1 comment, 1 upvote
  > **Top comment:** "I would recommend to break in to groups based on your organization and run host discovery first and run asset based scanning to avoid this situation...."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/nucleus-security-inc-nucleus-vs-vulscan-vs-tenable-security-center)