# NetSPI vs Tenable Nessus Comparison

| | NetSPI | Tenable Nessus | 
|---|---|---|
| **Star Rating** | 4.9 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 13 | 303 | 
| **Largest Market Segment** | Enterprise (46.2% of reviews) | Mid-Market (39.5% of reviews) | 
| **Entry Level Price** | Contact Us 1 Dependent on Test Environment | $3,390.00 1 License With One-Time Purchase | 

---
## Top Pros & Cons

### NetSPI

Pros:
- Expertise (4 reviews)
- Team Quality (4 reviews)

Cons:
- Difficult Navigation (1 reviews)
- False Positives (1 reviews)

### Tenable Nessus

Pros:
- Vulnerability Identification (20 reviews)
- Vulnerability Detection (18 reviews)

Cons:
- Slow Scanning (7 reviews)
- Expensive (6 reviews)

---
## Ratings Comparison
| Rating | NetSPI | Tenable Nessus | 
|---|---|---|
  | **Meets Requirements** | 10.0 (8 reviews) | 9.0 (250 reviews) | 
  | **Ease of Use** | 9.8 (9 reviews) | 8.9 (252 reviews) | 
  | **Ease of Setup** | 9.8 (7 reviews) | 8.8 (174 reviews) | 
  | **Ease of Admin** | 9.4 (6 reviews) | 8.9 (161 reviews) | 
  | **Quality of Support** | 10.0 (8 reviews) | 8.4 (231 reviews) | 
  | **Has the product been a good partner in doing business?** | 10.0 (6 reviews) | 8.7 (149 reviews) | 
  | **Product Direction (% positive)** | 10.0 (8 reviews) | 8.9 (239 reviews) | 

---
## Pricing

### NetSPI

#### Entry-Level Pricing

Plan: Custom

Price: Contact Us 1 Dependent on Test Environment

Key Features:
- Pen Testing

[Learn more about NetSPI](https://www.g2.com/products/netspi-2026-02-04/reviews)

#### Free Trial

No

### Tenable Nessus

#### Entry-Level Pricing

Plan: Pro - 1 Year

Price: $3,390.00 1 License With One-Time Purchase

Description: 1-year license of the industry-leading vulnerability assessment solution.

Key Features:
- Automate your vulnerability scanning process

[Browse all 4 editions](https://www.g2.com/products/tenable-nessus/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Penetration Testing

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | 9.6/10 | 7 |
| **Tenable Nessus** | N/A | N/A |

#### Administration

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **API / Integrations** | 9.5 (7 reviews) | Not enough data | 
| **Extensibility** | 9.5 (7 reviews) | Not enough data | 
| **Reporting and Analytics** | 9.3 (7 reviews) | Not enough data | 

#### Analysis

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Issue Tracking** | 10.0 (7 reviews) | Not enough data | 
| **Reconnaissance** | 10.0 (7 reviews) | Not enough data | 
| **Vulnerability Scan** | 10.0 (7 reviews) | Not enough data | 

#### Testing

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Command-Line Tools** | 9.0 (5 reviews) | Not enough data | 
| **Manual Testing** | 9.3 (7 reviews) | Not enough data | 
| **Test Automation** | 9.3 (7 reviews) | Not enough data | 
| **Performance and Reliability** | 9.8 (7 reviews) | Not enough data | 

### Dynamic Application Security Testing (DAST)

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Administration

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **API / Integrations** | Not enough data | Not enough data | 
| **Extensibility** | Not enough data | Not enough data | 

#### Analysis

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Reporting and Analytics** | Not enough data | Not enough data | 
| **Issue Tracking** | Not enough data | Not enough data | 
| **Static Code Analysis** | Not enough data | Not enough data | 
| **Vulnerability Scan** | Not enough data | Not enough data | 
| **Code Analysis** | Not enough data | Not enough data | 

#### Testing

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Manual Testing** | Not enough data | Not enough data | 
| **Test Automation** | Not enough data | Not enough data | 
| **Compliance Testing** | Not enough data | Not enough data | 
| **Black-Box Scanning** | Not enough data | Not enough data | 
| **Detection Rate** | Not enough data | Not enough data | 
| **False Positives** | Not enough data | Not enough data | 

### Vulnerability Scanner

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | 8.2/10 | 160 |

#### Performance

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Issue Tracking** | Not enough data | Feature Not Available | 
| **Detection Rate** | Not enough data | 8.9 (141 reviews) ✓ Verified | 
| **False Positives** | Not enough data | 6.7 (138 reviews) ✓ Verified | 
| **Automated Scans** | Not enough data | 9.0 (135 reviews) ✓ Verified | 

#### Network

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Compliance Testing** | Not enough data | 8.8 (135 reviews) ✓ Verified | 
| **Perimeter Scanning** | Not enough data | 8.8 (129 reviews) ✓ Verified | 
| **Configuration Monitoring** | Not enough data | 8.4 (110 reviews) ✓ Verified | 

#### Application

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Manual Application Testing** | Not enough data | Feature Not Available | 
| **Static Code Analysis** | Not enough data | 7.3 (83 reviews) | 
| **Black Box Testing** | Not enough data | 7.8 (102 reviews) | 

#### Agentic AI - Vulnerability Scanner

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 8.1 (9 reviews) | 
| **Proactive Assistance** | Not enough data | 7.9 (8 reviews) | 

### Breach and Attack Simulation (BAS)

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Simulation

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Test Agent Deployment** | Not enough data | Not enough data | 
| **Breach Simulation** | Not enough data | Not enough data | 
| **Attack Simulation** | Not enough data | Not enough data | 
| **Resolution Guidance** | Not enough data | Not enough data | 

#### Customization

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Multi-Vector Assessment** | Not enough data | Not enough data | 
| **Scenario Customization** | Not enough data | Not enough data | 
| **Range of Attack Types** | Not enough data | Not enough data | 

#### Administration

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Reporting** | Not enough data | Not enough data | 
| **Risk Evaluation** | Not enough data | Not enough data | 
| **Automated Testing** | Not enough data | Not enough data | 

### Risk-Based Vulnerability Management

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Risk Analysis

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Risk Scoring** | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | 
| **Risk-Prioritization** | Not enough data | Not enough data | 

#### Vulnerability Assesment

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Vulnerability Scanning** | Not enough data | Not enough data | 
| **Vulnerability Intelligence** | Not enough data | Not enough data | 
| **Contextual Data** | Not enough data | Not enough data | 
| **Dashboards** | Not enough data | Not enough data | 

#### Automation

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Automated Remediation** | Not enough data | Not enough data | 
| **Workflow Automation** | Not enough data | Not enough data | 
| **Security Testing** | Not enough data | Not enough data | 
| **Test Automation** | Not enough data | Not enough data | 

### API Security

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### API Management 

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **API Discovery** | Not enough data | Not enough data | 
| **API Monitoring** | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | 
| **Change Management** | Not enough data | Not enough data | 

#### Security Testing

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Compliance Monitoring** | Not enough data | Not enough data | 
| **API Verification** | Not enough data | Not enough data | 
| **API Testing** | Not enough data | Not enough data | 

#### Security Management

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Security and Policy Enforcement** | Not enough data | Not enough data | 
| **Anomoly Detection** | Not enough data | Not enough data | 
| **Bot Detection** | Not enough data | Not enough data | 

### Blockchain Security

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Administration

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Access Rights** | Not enough data | Not enough data | 
| **Credentialing** | Not enough data | Not enough data | 
| **Asset Discovery** | Not enough data | Not enough data | 
| **Asset Policy Management** | Not enough data | Not enough data | 

#### Analysis

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Incident Reporting** | Not enough data | Not enough data | 
| **Risk Analysis** | Not enough data | Not enough data | 
| **Configuration Monitoring** | Not enough data | Not enough data | 

#### Performance

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Incident Alerts** | Not enough data | Not enough data | 
| **Fraud Detection** | Not enough data | Not enough data | 
| **Authentication** | Not enough data | Not enough data | 

### Secure Code Review

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Documentation

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Feedback** | Not enough data | Not enough data | 
| **Prioritization** | Not enough data | Not enough data | 
| **Remediation Suggestions** | Not enough data | Not enough data | 

#### Security

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **False Positives** | Not enough data | Not enough data | 
| **Custom Compliance** | Not enough data | Not enough data | 
| **Agility** | Not enough data | Not enough data | 

### Cloud Security Posture Management (CSPM)

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Configuration

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **DLP Configuration** | Not enough data | Not enough data | 
| **Configuration Monitoring** | Not enough data | Not enough data | 
| **Unified Policy Management** | Not enough data | Not enough data | 
| **Adaptive Access Control** | Not enough data | Not enough data | 
| **API / Integrations** | Not enough data | Not enough data | 

#### Visibility

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Multicloud Visibility** | Not enough data | Not enough data | 
| **Asset Discovery** | Not enough data | Not enough data | 

#### Vulnerability Management

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Threat Hunting** | Not enough data | 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 | 

### Attack Surface Management

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | 8.3/10 | 6 |

#### Asset Management

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Asset Discovery** | Not enough data | 6.9 (6 reviews) | 
| **Shadow IT Detection** | Not enough data | 7.5 (6 reviews) | 
| **Change Management** | Not enough data | 4.7 (6 reviews) | 

#### Monitoring

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Gap Analysis** | Not enough data | 8.3 (6 reviews) | 
| **Vulnerability Intelligence** | Not enough data | 10.0 (6 reviews) | 
| **Compliance Monitoring** | Not enough data | 8.6 (6 reviews) | 
| **Continuous Monitoring** | Not enough data | 9.2 (6 reviews) | 

#### Risk Management

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **Risk-Prioritization** | Not enough data | 9.2 (6 reviews) | 
| **Reconnaissance** | Not enough data | 9.2 (6 reviews) | 
| **At-Risk Analysis** | Not enough data | 8.6 (6 reviews) | 
| **Threat Intelligence** | Not enough data | 9.4 (6 reviews) | 

#### Generative AI

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | 

### Cloud Security

| Product | Score | Reviews |
|---|---|---|
| **NetSPI** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Cloud Visibility

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **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

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **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 | 

#### Identity

| Feature | NetSPI | Tenable Nessus | 
|---|---|---|
| **SSO** | Not enough data | Not enough data | 
| **Governance** | Not enough data | Not enough data | 
| **User Analytics** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (2):** [ Attack Surface Management Software](https://www.g2.com/categories/attack-surface-management), [Vulnerability Scanner Software](https://www.g2.com/categories/vulnerability-scanner)

**Unique to NetSPI (6):** [Penetration Testing Tools](https://www.g2.com/categories/penetration-testing-tools), [Breach and Attack Simulation (BAS) Software](https://www.g2.com/categories/breach-and-attack-simulation-bas), [Risk-Based Vulnerability Management Software](https://www.g2.com/categories/risk-based-vulnerability-management), [Secure Code Review Software](https://www.g2.com/categories/secure-code-review), [Blockchain Security Software](https://www.g2.com/categories/blockchain-security), [Cloud Security Posture Management (CSPM) Software](https://www.g2.com/categories/cloud-security-posture-management-cspm)

**Unique to Tenable Nessus (2):** [Dynamic Application Security Testing (DAST) Software](https://www.g2.com/categories/dynamic-application-security-testing-dast), [API Security Tools](https://www.g2.com/categories/api-security)


---
## Reviewer Demographics

### By Company Size

| Segment | NetSPI | Tenable Nessus | 
|---|---|---|
| **Small-Business** | 15.4% | 25.9% | 
| **Mid-Market** | 38.5% | 39.5% | 
| **Enterprise** | 46.2% | 34.6% | 

### By Industry

#### NetSPI

- **Hospital & Health Care:** 25.0%
- **Computer Software:** 16.7%
- **Consulting:** 8.3%
- **Transportation/Trucking/Railroad:** 8.3%
- **Retail:** 8.3%
- **Information Technology and Services:** 8.3%
- **Food & Beverages:** 8.3%
- **Computer Hardware:** 8.3%
- **Banking:** 8.3%

#### Tenable Nessus

- **Information Technology and Services:** 25.5%
- **Computer & Network Security:** 16.8%
- **Financial Services:** 7.3%
- **Computer Software:** 5.9%
- **Banking:** 4.5%
- **Government Administration:** 3.8%
- **Higher Education:** 3.5%
- **Hospital & Health Care:** 2.4%
- **Education Management:** 2.1%
- **Telecommunications:** 2.1%
- **Other:** 25.9%

---
## Alternatives

### Alternatives to NetSPI

- [GitLab](https://www.g2.com/products/gitlab/reviews) — 4.5/5 stars (897 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (826 reviews)
- [Scrut Automation](https://www.g2.com/products/scrut-automation/reviews) — 4.9/5 stars (1313 reviews)
- [CloudBees](https://www.g2.com/products/cloudbees/reviews) — 4.4/5 stars (621 reviews)
- [GitHub](https://www.g2.com/products/github/reviews) — 4.7/5 stars (2378 reviews)
- [ThreatLocker Zero Trust Platform](https://www.g2.com/products/threatlocker-zero-trust-platform/reviews) — 4.8/5 stars (482 reviews)
- [FortiCNAPP](https://www.g2.com/products/forticnapp/reviews) — 4.4/5 stars (386 reviews)
- [Red Hat Ansible Automation Platform](https://www.g2.com/products/red-hat-ansible-automation-platform/reviews) — 4.6/5 stars (377 reviews)
- [Microsoft Defender for Cloud](https://www.g2.com/products/microsoft-defender-for-cloud/reviews) — 4.4/5 stars (397 reviews)
- [Harness Platform](https://www.g2.com/products/harness-platform/reviews) — 4.6/5 stars (304 reviews)

### Alternatives to Tenable Nessus

- [Intruder](https://www.g2.com/products/intruder/reviews) — 4.8/5 stars (209 reviews)
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- [Detectify](https://www.g2.com/products/detectify/reviews) — 4.5/5 stars (51 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (826 reviews)
- [Burp Suite](https://www.g2.com/products/burp-suite/reviews) — 4.8/5 stars (129 reviews)
- [Acunetix by Invicti](https://www.g2.com/products/acunetix-by-invicti/reviews) — 4.1/5 stars (105 reviews)
- [Pentest-Tools.com](https://www.g2.com/products/pentest-tools-com/reviews) — 4.8/5 stars (106 reviews)
- [Veracode Application Security Platform](https://www.g2.com/products/veracode-application-security-platform/reviews) — 3.8/5 stars (26 reviews)
- [Orca Security](https://www.g2.com/products/orca-security/reviews) — 4.7/5 stars (303 reviews)
- [Astra Pentest](https://www.g2.com/products/astra-pentest/reviews) — 4.6/5 stars (215 reviews)

---
## Top Discussions

### NetSPI

No discussions available for this product.

### Tenable Nessus

- Title: [Is there a free version of Nessus?](https://www.g2.com/discussions/is-there-a-free-version-of-nessus) — 2 comments
  > **Top comment:** "30 /15 days trail is available "
- Title: [What does Nessus Professional scan for?](https://www.g2.com/discussions/about-nessus-2b3f6c8f-4cde-460a-bd61-f2527f0cdb45) — 2 comments, 1 upvote
  > **Top comment:** "It scans the system for  different vulnerabilities depending on what policy you want to scan the system with (like Internal PCI, Policy Compliance, SCAP,..."
- Title: [What types of devices can Nessus Professional scan?](https://www.g2.com/discussions/device-types-78d9c056-eb92-4435-aad4-32afa6a1a445) — 2 comments, 1 upvote
  > **Top comment:** "Windows PCs/servers , Linux systems/servers, Mobiles, IPMI devices like iLO, iDRAC, network switches, storage arrays, etc."
- Title: [How many IP Addresses can I scan?](https://www.g2.com/discussions/ip-addresses-b6ef755d-8e1e-4949-818a-ec228e8ac779) — 2 comments, 1 upvote
  > **Top comment:** "It depends on your license."
- Title: [What do I need to run Nessus professional?](https://www.g2.com/discussions/environment-c71784d4-2685-42a7-870f-56620a4bcb97) — 2 comments, 1 upvote
  > **Top comment:** "you don't need any special requirements you can run on any windows or Linux machine without any hazel."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/netspi-2026-02-04-vs-tenable-nessus)