# AlgoSec Horizon, Qualys VMDR vs Tenable Nessus Comparison

| | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Star Rating** | 4.5 out of 5 | 4.4 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 224 | 167 | 301 | 
| **Largest Market Segment** | Enterprise (54.8% of reviews) | Enterprise (52.1% of reviews) | Mid-Market (39.4% of reviews) | 
| **Entry Level Price** | No pricing available | No pricing available | $3,390.00 1 License With One-Time Purchase | 

---
## Top Pros & Cons

### AlgoSec Horizon

Pros:
- Ease of Use (13 reviews)
- Policy Management (11 reviews)

Cons:
- Improvement Needed (8 reviews)
- Integration Issues (5 reviews)

### Qualys VMDR

Pros:
- Vulnerability Detection (2 reviews)
- Vulnerability Identification (2 reviews)

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

### Tenable Nessus

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

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

---
## Ratings Comparison
| Rating | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
  | **Meets Requirements** | 8.7 (160 reviews) | 8.7 (117 reviews) | 9.0 (248 reviews) | 
  | **Ease of Use** | 8.7 (161 reviews) | 8.7 (116 reviews) | 8.9 (250 reviews) | 
  | **Ease of Setup** | 8.4 (143 reviews) | 8.4 (78 reviews) | 8.8 (172 reviews) | 
  | **Ease of Admin** | 8.4 (117 reviews) | 8.6 (76 reviews) | 8.9 (161 reviews) | 
  | **Quality of Support** | 8.5 (153 reviews) | 8.1 (112 reviews) | 8.4 (229 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.5 (114 reviews) | 8.6 (77 reviews) | 8.7 (149 reviews) | 
  | **Product Direction (% positive)** | 9.0 (141 reviews) | 8.2 (102 reviews) | 8.9 (238 reviews) | 

---
## Pricing

### AlgoSec Horizon

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Qualys VMDR

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### 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

### Cloud Workload Protection Platforms

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | 9.6/10 | 15 |
| **Qualys VMDR** | 7.8/10 | 9 |
| **Tenable Nessus** | N/A | N/A |

#### Management

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Dashboards and Reports** | 9.3 (15 reviews) | 8.5 (9 reviews) | Not enough data | 
| **Workflow Management** | 9.7 (15 reviews) | 7.4 (9 reviews) | Not enough data | 
| **Administration Console** | 9.8 (15 reviews) | 8.0 (9 reviews) | Not enough data | 

#### Operations

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Governance** | 9.6 (14 reviews) | 8.1 (9 reviews) | Not enough data | 
| **Logging and Reporting** | 9.9 (15 reviews) | 8.5 (9 reviews) | Not enough data | 
| **API / Integrations** | 9.5 (14 reviews) | 7.8 (9 reviews) | Not enough data | 

#### Security Controls 

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Anomaly Detection** | 9.5 (14 reviews) | 7.4 (9 reviews) | Not enough data | 
| **Data Loss Prevention** | 9.5 (14 reviews) | 7.4 (9 reviews) | Not enough data | 
| **Security Auditing** | 9.6 (15 reviews) | 7.6 (9 reviews) | Not enough data | 
| **Cloud Gap Analytics** | 9.8 (14 reviews) | 7.4 (9 reviews) | Not enough data | 

### Dynamic Application Security Testing (DAST)

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Administration

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **API / Integrations** | Not enough data | Not enough data | Not enough data | 
| **Extensibility** | Not enough data | Not enough data | Not enough data | 

#### Analysis

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Reporting and Analytics** | Not enough data | Not enough data | Not enough data | 
| **Issue Tracking** | Not enough data | Not enough data | Not enough data | 
| **Static Code Analysis** | Not enough data | Not enough data | Not enough data | 
| **Vulnerability Scan** | Not enough data | Not enough data | Not enough data | 
| **Code Analysis** | Not enough data | Not enough data | Not enough data | 

#### Testing

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

### Container Security

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | 8.9/10 | 12 |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Administration

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Risk Scoring** | 8.9 (11 reviews) | Not enough data | Not enough data | 
| **Secrets Management** | 8.7 (10 reviews) | Not enough data | Not enough data | 
| **Security Auditing** | 8.8 (10 reviews) | Not enough data | Not enough data | 
| **Configuration Management** | 8.8 (11 reviews) | Not enough data | Not enough data | 

#### Monitoring

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Continuous Image Assurance** | 9.2 (10 reviews) | Not enough data | Not enough data | 
| **Behavior Monitoring** | 9.2 (10 reviews) | Not enough data | Not enough data | 
| **Observability** | 9.0 (10 reviews) | Not enough data | Not enough data | 

#### Protection

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Dynamic Image Scanning** | 8.5 (10 reviews) | Not enough data | Not enough data | 
| **Runtime Protection** | 8.8 (11 reviews) | Not enough data | Not enough data | 
| **Workload Protection** | Feature Not Available | Not enough data | Not enough data | 
| **Network Segmentation** | 8.8 (11 reviews) | Not enough data | Not enough data | 

### Network Security Policy Management (NSPM)

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | 8.9/10 | 123 |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Network Maintenance

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Policy Optimization** | 9.2 (114 reviews) | Not enough data | Not enough data | 
| **Risk Analysis** | 9.0 (112 reviews) | Not enough data | Not enough data | 
| **Auditing** | 8.8 (112 reviews) | Not enough data | Not enough data | 

#### Network Management

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Network Mapping** | 8.7 (107 reviews) | Not enough data | Not enough data | 
| **Compliance** | 9.0 (110 reviews) | Not enough data | Not enough data | 
| **Reporting** | 8.8 (112 reviews) | Not enough data | Not enough data | 
| **Console** | 8.7 (109 reviews) | Not enough data | Not enough data | 

#### Network Monitoring

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Network Monitoring** | Feature Not Available | Not enough data | Not enough data | 
| **Configuration Monitoring** | 8.9 (106 reviews) | Not enough data | Not enough data | 
| **Change Management** | 8.7 (105 reviews) | Not enough data | Not enough data | 

### Cloud Compliance

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | 8.9/10 | 18 |
| **Qualys VMDR** | 7.7/10 | 15 |
| **Tenable Nessus** | N/A | N/A |

#### Security

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Compliance Monitoring** | 9.0 (18 reviews) | 7.5 (14 reviews) | Not enough data | 
| **Anomoly Detection** | Feature Not Available | 7.9 (12 reviews) | Not enough data | 
| **Data Loss Prevention** | Feature Not Available | 7.5 (12 reviews) | Not enough data | 
| **Cloud Gap Analytics** | 9.0 (17 reviews) | 7.0 (14 reviews) | Not enough data | 

#### Compliance

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Governance** | 9.0 (16 reviews) | 8.3 (12 reviews) | Not enough data | 
| **Data Governance** | 8.8 (16 reviews) | 7.8 (12 reviews) | Not enough data | 
| **Sensitive Data Compliance** | 8.9 (17 reviews) | 8.2 (13 reviews) | Not enough data | 

#### Administration

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Policy Enforcement** | 8.6 (16 reviews) | 7.9 (12 reviews) | Not enough data | 
| **Auditing** | 9.1 (17 reviews) | 7.7 (13 reviews) | Not enough data | 
| **Workflow Management** | 9.0 (16 reviews) | 7.6 (13 reviews) | Not enough data | 

### Vulnerability Scanner

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | 7.9/10 | 20 |
| **Tenable Nessus** | 8.2/10 | 158 |

#### Performance

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Issue Tracking** | Not enough data | 8.3 (18 reviews) | Feature Not Available | 
| **Detection Rate** | Not enough data | 8.5 (18 reviews) | 8.9 (139 reviews) ✓ Verified | 
| **False Positives** | Not enough data | 5.8 (18 reviews) | 6.7 (136 reviews) ✓ Verified | 
| **Automated Scans** | Not enough data | 8.6 (20 reviews) | 9.0 (135 reviews) ✓ Verified | 

#### Network

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Compliance Testing** | Not enough data | 8.2 (19 reviews) | 8.8 (134 reviews) ✓ Verified | 
| **Perimeter Scanning** | Not enough data | 8.1 (18 reviews) | 8.8 (127 reviews) ✓ Verified | 
| **Configuration Monitoring** | Not enough data | 8.4 (16 reviews) | 8.4 (110 reviews) ✓ Verified | 

#### Application

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Manual Application Testing** | Not enough data | 7.8 (16 reviews) | Feature Not Available | 
| **Static Code Analysis** | Not enough data | 7.6 (15 reviews) | 7.3 (83 reviews) | 
| **Black Box Testing** | Not enough data | 8.0 (16 reviews) | 7.8 (102 reviews) | 

#### Agentic AI - Vulnerability Scanner

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

### Risk-Based Vulnerability Management

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | 8.3/10 | 54 |
| **Tenable Nessus** | N/A | N/A |

#### Risk Analysis

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Risk Scoring** | Not enough data | 8.7 (47 reviews) | Not enough data | 
| **Reporting** | Not enough data | 8.3 (50 reviews) | Not enough data | 
| **Risk-Prioritization** | Not enough data | 8.5 (47 reviews) | Not enough data | 

#### Vulnerability Assesment

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Vulnerability Scanning** | Not enough data | 8.7 (50 reviews) | Not enough data | 
| **Vulnerability Intelligence** | Not enough data | 8.7 (50 reviews) | Not enough data | 
| **Contextual Data** | Not enough data | 8.2 (49 reviews) | Not enough data | 
| **Dashboards** | Not enough data | 8.5 (50 reviews) | Not enough data | 

#### Automation

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Automated Remediation** | Not enough data | 7.7 (42 reviews) | Not enough data | 
| **Workflow Automation** | Not enough data | 7.9 (42 reviews) | Not enough data | 
| **Security Testing** | Not enough data | 8.4 (45 reviews) | Not enough data | 
| **Test Automation** | Not enough data | 8.1 (42 reviews) | Not enough data | 

### API Security

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### API Management 

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **API Discovery** | Not enough data | Not enough data | Not enough data | 
| **API Monitoring** | Not enough data | Not enough data | Not enough data | 
| **Reporting** | Not enough data | Not enough data | Not enough data | 
| **Change Management** | Not enough data | Not enough data | Not enough data | 

#### Security Testing

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Compliance Monitoring** | Not enough data | Not enough data | Not enough data | 
| **API Verification** | Not enough data | Not enough data | Not enough data | 
| **API Testing** | Not enough data | Not enough data | Not enough data | 

#### Security Management

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Security and Policy Enforcement** | Not enough data | Not enough data | Not enough data | 
| **Anomoly Detection** | Not enough data | Not enough data | Not enough data | 
| **Bot Detection** | Not enough data | Not enough data | Not enough data | 

### ServiceNow Store Apps

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### ServiceNow Apps

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **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 | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **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 | 

### Cloud Security Posture Management (CSPM)

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | 9.0/10 | 14 |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Configuration

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **DLP Configuration** | 8.7 (13 reviews) | Not enough data | Not enough data | 
| **Configuration Monitoring** | 8.8 (13 reviews) | Not enough data | Not enough data | 
| **Unified Policy Management** | 9.4 (14 reviews) | Not enough data | Not enough data | 
| **Adaptive Access Control** | 9.2 (13 reviews) | Not enough data | Not enough data | 
| **API / Integrations** | 8.8 (13 reviews) | Not enough data | Not enough data | 

#### Visibility

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Multicloud Visibility** | 9.2 (14 reviews) | Not enough data | Not enough data | 
| **Asset Discovery** | 9.0 (13 reviews) | Not enough data | Not enough data | 

#### Vulnerability Management

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Threat Hunting** | 9.0 (13 reviews) | Not enough data | Not enough data | 
| **Vulnerability Scanning** | 8.8 (13 reviews) | Not enough data | Not enough data | 
| **Vulnerability Intelligence** | 9.2 (13 reviews) | Not enough data | Not enough data | 
| **Risk-Prioritization** | 9.1 (13 reviews) | Not enough data | Not enough data | 

### Microsegmentation

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | 8.4/10 | 38 |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Administration

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Policy Enforcement** | 8.8 (31 reviews) | Not enough data | Not enough data | 
| **Dependency Mapping** | 8.2 (29 reviews) | Not enough data | Not enough data | 
| **Network Mapping** | 8.3 (31 reviews) | Not enough data | Not enough data | 

#### Enforcement

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Identity-Based Policy Management** | Feature Not Available | Not enough data | Not enough data | 
| **Workflow Automation** | 8.5 (28 reviews) | Not enough data | Not enough data | 
| **Network Segmentation** | 8.4 (31 reviews) | Not enough data | Not enough data | 
| **Intelligent Segmentation** | 8.3 (29 reviews) | Not enough data | Not enough data | 
| **Workload Protection** | 8.4 (29 reviews) | Not enough data | Not enough data | 

#### Visibility

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Breach Detection** | Feature Not Available | Not enough data | Not enough data | 
| **Observability** | 8.7 (29 reviews) | Not enough data | Not enough data | 
| **Application Discovery** | 8.0 (29 reviews) | Not enough data | Not enough data | 

### Attack Surface Management

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | 8.3/10 | 6 |

#### Asset Management

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

#### Monitoring

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

#### Risk Management

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

#### Generative AI

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 

### Cloud-Native Application Protection Platform (CNAPP)

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Security - Cloud-Native Application Protection Platform (CNAPP)

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Workload and container security** | Not enough data | Not enough data | Not enough data | 
| **Threat detection and response** | Not enough data | Not enough data | Not enough data | 
| **DevSecOps Integrations** | Not enough data | Not enough data | Not enough data | 
| **Unified Visibility** | Not enough data | Not enough data | Not enough data | 

#### Artificial Intelligence - Cloud-Native Application Protection Platform (CNAPP)

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Intelligent remediations and suggestions** | Not enough data | Not enough data | Not enough data | 
| **Risk prioritization** | Not enough data | Not enough data | Not enough data | 
| **Anomaly detection using machine learning** | Not enough data | Not enough data | Not enough data | 

#### Cloud Configuration Management - Cloud-Native Application Protection Platform (CNAPP)

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Multi-cloud visibility** | Not enough data | Not enough data | Not enough data | 
| **Cloud Security Posture Management (CSPM)** | Not enough data | Not enough data | Not enough data | 

#### Agentic AI - Cloud-Native Application Protection Platform (CNAPP)

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 

### Cloud Security

| Product | Score | Reviews |
|---|---|---|
| **AlgoSec Horizon** | N/A | N/A |
| **Qualys VMDR** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |

#### Cloud Visibility

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Data Discovery** | Not enough data | Not enough data | Not enough data | 
| **Cloud Registry** | Not enough data | Not enough data | Not enough data | 
| **Cloud Gap Analytics** | Not enough data | Not enough data | Not enough data | 

#### Security

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Data Security** | Not enough data | Not enough data | Not enough data | 
| **Data loss Prevention** | Not enough data | Not enough data | Not enough data | 
| **Security Auditing** | Not enough data | Not enough data | Not enough data | 

#### Identity

| Feature | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **SSO** | Not enough data | Not enough data | Not enough data | 
| **Governance** | Not enough data | Not enough data | Not enough data | 
| **User Analytics** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to AlgoSec Horizon (7):** [Network Security Policy Management (NSPM) Software](https://www.g2.com/categories/network-security-policy-management-nspm), [Microsegmentation Software](https://www.g2.com/categories/microsegmentation), [Cloud-Native Application Protection Platform (CNAPP)](https://www.g2.com/categories/cloud-native-application-protection-platform-cnapp), [Cloud Security Posture Management (CSPM) Software](https://www.g2.com/categories/cloud-security-posture-management-cspm), [Cloud Compliance Software](https://www.g2.com/categories/cloud-compliance), [Cloud Workload Protection Platforms](https://www.g2.com/categories/cloud-workload-protection-platforms), [Container Security Tools](https://www.g2.com/categories/container-security-tools)

**Unique to Qualys VMDR (6):** [Risk-Based Vulnerability Management Software](https://www.g2.com/categories/risk-based-vulnerability-management), [Cloud Compliance Software](https://www.g2.com/categories/cloud-compliance), [Container Security Tools](https://www.g2.com/categories/container-security-tools), [Cloud Workload Protection Platforms](https://www.g2.com/categories/cloud-workload-protection-platforms), [Vulnerability Scanner Software](https://www.g2.com/categories/vulnerability-scanner), [ServiceNow Marketplace Apps](https://www.g2.com/categories/servicenow-store-apps)

**Unique to Tenable Nessus (4):** [ Attack Surface Management Software](https://www.g2.com/categories/attack-surface-management), [Vulnerability Scanner Software](https://www.g2.com/categories/vulnerability-scanner), [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 | AlgoSec Horizon | Qualys VMDR | Tenable Nessus | 
|---|---|---|---|
| **Small-Business** | 15.4% | 20.2% | 26.1% | 
| **Mid-Market** | 29.8% | 27.6% | 39.4% | 
| **Enterprise** | 54.8% | 52.1% | 34.5% | 

### By Industry

#### AlgoSec Horizon

- **Computer & Network Security:** 22.7%
- **Information Technology and Services:** 19.3%
- **Financial Services:** 9.2%
- **Banking:** 8.2%
- **Telecommunications:** 6.3%
- **Insurance:** 4.3%
- **Computer Networking:** 2.9%
- **Oil & Energy:** 2.9%
- **Airlines/Aviation:** 2.4%
- **Retail:** 2.4%
- **Other:** 19.3%

#### Qualys VMDR

- **Information Technology and Services:** 22.0%
- **Computer & Network Security:** 12.2%
- **Financial Services:** 9.1%
- **Computer Software:** 7.3%
- **Banking:** 4.9%
- **Telecommunications:** 3.7%
- **Hospital & Health Care:** 3.7%
- **Accounting:** 3.0%
- **Higher Education:** 2.4%
- **Insurance:** 2.4%
- **Other:** 29.3%

#### Tenable Nessus

- **Information Technology and Services:** 25.7%
- **Computer & Network Security:** 16.5%
- **Financial Services:** 7.4%
- **Computer Software:** 6.0%
- **Banking:** 4.6%
- **Government Administration:** 3.9%
- **Higher Education:** 3.2%
- **Hospital & Health Care:** 2.5%
- **Education Management:** 2.1%
- **Telecommunications:** 2.1%
- **Other:** 26.1%

---
## Alternatives

### Alternatives to AlgoSec Horizon

- [Tufin Orchestration Suite](https://www.g2.com/products/tufin-tufin-orchestration-suite/reviews) — 4.4/5 stars (97 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (794 reviews)
- [FortiCNAPP](https://www.g2.com/products/forticnapp/reviews) — 4.4/5 stars (386 reviews)
- [Microsoft Defender for Cloud](https://www.g2.com/products/microsoft-defender-for-cloud/reviews) — 4.4/5 stars (310 reviews)
- [Scrut Automation](https://www.g2.com/products/scrut-automation/reviews) — 4.9/5 stars (1308 reviews)
- [SolarWinds Observability](https://www.g2.com/products/solarwinds-worldwide-llc-solarwinds-observability/reviews) — 4.3/5 stars (836 reviews)
- [Vanta](https://www.g2.com/products/vanta/reviews) — 4.6/5 stars (2446 reviews)
- [Sprinto](https://www.g2.com/products/sprinto-inc/reviews) — 4.8/5 stars (1652 reviews)
- [Drata](https://www.g2.com/products/drata/reviews) — 4.7/5 stars (1323 reviews)
- [Secureframe](https://www.g2.com/products/secureframe/reviews) — 4.7/5 stars (800 reviews)

### Alternatives to Qualys VMDR

- [Microsoft Defender for Cloud](https://www.g2.com/products/microsoft-defender-for-cloud/reviews) — 4.4/5 stars (310 reviews)
- [CrowdStrike Falcon Cloud Security](https://www.g2.com/products/crowdstrike-falcon-cloud-security/reviews) — 4.6/5 stars (86 reviews)
- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (794 reviews)
- [FortiCNAPP](https://www.g2.com/products/forticnapp/reviews) — 4.4/5 stars (386 reviews)
- [Tenable Vulnerability Management](https://www.g2.com/products/tenable-vulnerability-management/reviews) — 4.5/5 stars (122 reviews)
- [Cortex Cloud](https://www.g2.com/products/cortex-cloud/reviews) — 4.1/5 stars (112 reviews)
- [Sprinto](https://www.g2.com/products/sprinto-inc/reviews) — 4.8/5 stars (1652 reviews)
- [Drata](https://www.g2.com/products/drata/reviews) — 4.7/5 stars (1323 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 (621 reviews)

### Alternatives to Tenable Nessus

- [Intruder](https://www.g2.com/products/intruder/reviews) — 4.8/5 stars (206 reviews)
- [Invicti (formerly Netsparker)](https://www.g2.com/products/invicti-formerly-netsparker/reviews) — 4.6/5 stars (69 reviews)
- [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 (794 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 (100 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) — 4.6/5 stars (269 reviews)
- [APPCHECK](https://www.g2.com/products/appcheck/reviews) — 4.6/5 stars (67 reviews)

---
## Top Discussions

### AlgoSec Horizon

- Title: [What is AlgoSec used for?](https://www.g2.com/discussions/what-is-algosec-used-for) — 2 comments, 1 upvote
  > **Top comment:** "To sum up Analyzing the firewalls; harden the ruleset and configuration.
Access analyze and gap analysis"
- Title: [Is AlgoSec a SaaS?](https://www.g2.com/discussions/is-algosec-a-saas) — 1 comment
  > **Top comment:** "Yes algosec also provide saas solution as algosaas."
- Title: [How much reliable is this solution?](https://www.g2.com/discussions/24068-how-much-reliable-is-this-solution) — 1 comment, 1 upvote
  > **Top comment:** "So far, I couldn't faced with a problem according to the recommendations provided by Algosec. So, I can consider it is really reliable"
- Title: [comparison with other cloud compliance solutions](https://www.g2.com/discussions/comparison-with-other-cloud-compliance-solutions) — 1 comment, 2 upvotes
  > **Top comment:** "Comment deleted by user."

### Qualys VMDR

- Title: [What does Qualys Vmdr do?](https://www.g2.com/discussions/what-does-qualys-vmdr-do) — 1 comment
  > **Top comment:** "It does all the around like scanning, patching of devices using agents, real time monitoring of agents, threat feeds "
- Title: [Free version](https://www.g2.com/discussions/26905-free-version) — 1 comment, 1 upvote *(includes official response)*
  > **Top comment:** "Hi Nasrin,

Peanut Butter helps companies offer Student Loan Assistance as a benefit. Leading employers across North America partner with Peanut Butter to..."
- Title: [Given an asset, how do I run a vulnerability scan report on demand ad hoc?](https://www.g2.com/discussions/25513-given-an-asset-how-do-i-run-a-vulnerability-scan-report-on-demand-ad-hoc) — 1 comment, 1 upvote
  > **Top comment:** "You can do that easily by launching an on-demand scan in Qualys too. Thats a very basic feature. You could also drop an Qualys agent on the host OS (The..."

### 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/algosec-horizon-vs-qualys-vmdr-vs-tenable-nessus)