# Orca Security, Tenable Nessus vs Microsoft Defender for Cloud Comparison

| | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.5 out of 5 | 4.4 out of 5 | 
| **Total Reviews** | 267 | 301 | 310 | 
| **Largest Market Segment** | Enterprise (46.8% of reviews) | Mid-Market (39.4% of reviews) | Mid-Market (37.7% of reviews) | 
| **Entry Level Price** | Contact Us | $3,390.00 1 License With One-Time Purchase | Free Trial | 

---
## Top Pros & Cons

### Orca Security

Pros:
- Ease of Use (13 reviews)
- Vulnerability Scanning (13 reviews)

Cons:
- Security Vulnerabilities (6 reviews)
- Dashboard Issues (5 reviews)

### Tenable Nessus

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

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

### Microsoft Defender for Cloud

Pros:
- Security (120 reviews)
- Comprehensive Security (91 reviews)

Cons:
- Complexity (26 reviews)
- Expensive (23 reviews)

---
## Ratings Comparison
| Rating | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
  | **Meets Requirements** | 9.0 (204 reviews) | 9.0 (248 reviews) | 8.8 (235 reviews) | 
  | **Ease of Use** | 9.1 (238 reviews) | 8.9 (250 reviews) | 8.7 (237 reviews) | 
  | **Ease of Setup** | 9.3 (214 reviews) | 8.8 (172 reviews) | 8.6 (141 reviews) | 
  | **Ease of Admin** | 9.0 (151 reviews) | 8.9 (161 reviews) | 8.8 (120 reviews) | 
  | **Quality of Support** | 9.1 (199 reviews) | 8.4 (229 reviews) | 8.6 (228 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.4 (150 reviews) | 8.7 (149 reviews) | 8.5 (117 reviews) | 
  | **Product Direction (% positive)** | 9.8 (193 reviews) | 8.9 (238 reviews) | 9.6 (225 reviews) | 

---
## Pricing

### Orca Security

#### Entry-Level Pricing

Plan: By Compute Asset

Price: Contact Us

Description: An annual Orca subscription license is priced by compute asset. This lets you embrace new technologies (such as Orca) without concern of being charged for such assets as cloud storage or databases.

Key Features:
- visit website for all features

[Learn more about Orca Security](https://www.g2.com/products/orca-security/reviews)

#### Free Trial

Yes

### 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

### Microsoft Defender for Cloud

#### Entry-Level Pricing

Plan: Microsoft Defender for Cloud

Price: Free Trial

Description: https://azure.microsoft.com/en-us/pricing/details/defender-for-cloud/

Key Features:
- Unified visibility of your security posture across Azure, AWS, Google Cloud, and hybrid clouds
- Real-time security access and prioritization of the most critical risks with context-aware cloud security
- Integrated extended detection and response (XDR) solution across multicloud workloads to prevent, detect, and respond to attacks

[Learn more about Microsoft Defender for Cloud](https://www.g2.com/products/microsoft-defender-for-cloud/reviews)

#### Free Trial

No

---
## Features Comparison By Category

### Cloud Workload Protection Platforms

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | 8.4/10 | 100 |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 8.7/10 | 57 |

#### Management

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Dashboards and Reports** | 7.8 (78 reviews) | Not enough data | 9.1 (47 reviews) | 
| **Workflow Management** | 7.9 (52 reviews) | Not enough data | 8.4 (45 reviews) | 
| **Administration Console** | 8.3 (68 reviews) | Not enough data | 8.7 (44 reviews) | 

#### Operations

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Governance** | 8.4 (52 reviews) | Not enough data | 8.8 (45 reviews) | 
| **Logging and Reporting** | 8.4 (61 reviews) | Not enough data | 8.7 (46 reviews) | 
| **API / Integrations** | 8.9 (66 reviews) | Not enough data | 8.4 (45 reviews) | 

#### Security Controls 

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Anomaly Detection** | 8.7 (56 reviews) | Not enough data | 8.6 (46 reviews) | 
| **Data Loss Prevention** | 7.7 (53 reviews) | Not enough data | 8.6 (45 reviews) | 
| **Security Auditing** | 9.0 (83 reviews) | Not enough data | 8.9 (45 reviews) | 
| **Cloud Gap Analytics** | 8.7 (57 reviews) | Not enough data | 8.6 (45 reviews) | 

### Dynamic Application Security Testing (DAST)

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Administration

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **API / Integrations** | Not enough data | Not enough data | Not enough data | 
| **Extensibility** | Not enough data | Not enough data | Not enough data | 

#### Analysis

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 |
|---|---|---|
| **Orca Security** | 8.2/10 | 60 |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 9.1/10 | 25 |

#### Administration

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Risk Scoring** | 8.6 (59 reviews) | Not enough data | 9.3 (22 reviews) | 
| **Secrets Management** | 8.0 (51 reviews) | Not enough data | 9.0 (21 reviews) | 
| **Security Auditing** | 8.9 (58 reviews) | Not enough data | 9.1 (22 reviews) | 
| **Configuration Management** | 8.6 (56 reviews) | Not enough data | 9.1 (22 reviews) | 

#### Monitoring

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Continuous Image Assurance** | 8.4 (50 reviews) | Not enough data | 9.0 (20 reviews) | 
| **Behavior Monitoring** | 7.8 (48 reviews) | Not enough data | 9.0 (20 reviews) | 
| **Observability** | 8.5 (52 reviews) | Not enough data | 9.5 (20 reviews) | 

#### Protection

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Dynamic Image Scanning** | 8.1 (52 reviews) | Not enough data | 8.9 (19 reviews) | 
| **Runtime Protection** | 7.5 (48 reviews) | Not enough data | 8.9 (21 reviews) | 
| **Workload Protection** | 7.8 (51 reviews) | Not enough data | 9.2 (22 reviews) | 
| **Network Segmentation** | 7.7 (47 reviews) | Not enough data | 9.5 (21 reviews) | 

### Cloud Compliance

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | 8.3/10 | 119 |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 8.6/10 | 114 |

#### Security

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Compliance Monitoring** | 8.9 (114 reviews) | Not enough data | 8.8 (99 reviews) | 
| **Anomoly Detection** | 8.0 (110 reviews) | Not enough data | 8.6 (98 reviews) | 
| **Data Loss Prevention** | 7.7 (101 reviews) | Not enough data | 8.6 (96 reviews) | 
| **Cloud Gap Analytics** | 8.5 (108 reviews) | Not enough data | 8.5 (95 reviews) | 

#### Compliance

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Governance** | 8.8 (106 reviews) | Not enough data | 8.6 (97 reviews) | 
| **Data Governance** | 8.2 (101 reviews) | Not enough data | 8.5 (93 reviews) | 
| **Sensitive Data Compliance** | 8.5 (105 reviews) | Not enough data | 8.8 (94 reviews) | 

#### Administration

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Policy Enforcement** | 8.3 (105 reviews) | Not enough data | 8.7 (92 reviews) | 
| **Auditing** | 8.6 (109 reviews) | Not enough data | 8.7 (94 reviews) | 
| **Workflow Management** | 7.9 (102 reviews) | Not enough data | 8.6 (94 reviews) | 

### Vulnerability Scanner

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | 7.9/10 | 123 |
| **Tenable Nessus** | 8.2/10 | 158 |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Performance

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Issue Tracking** | 8.6 (110 reviews) | Feature Not Available | Not enough data | 
| **Detection Rate** | 8.8 (117 reviews) | 8.9 (139 reviews) ✓ Verified | Not enough data | 
| **False Positives** | 7.5 (118 reviews) | 6.7 (136 reviews) ✓ Verified | Not enough data | 
| **Automated Scans** | 9.2 (120 reviews) | 9.0 (135 reviews) ✓ Verified | Not enough data | 

#### Network

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Compliance Testing** | 8.6 (112 reviews) | 8.8 (134 reviews) ✓ Verified | Not enough data | 
| **Perimeter Scanning** | 8.6 (107 reviews) | 8.8 (127 reviews) ✓ Verified | Not enough data | 
| **Configuration Monitoring** | 8.7 (112 reviews) | 8.4 (110 reviews) ✓ Verified | Not enough data | 

#### Application

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Manual Application Testing** | 6.2 (88 reviews) | Feature Not Available | Not enough data | 
| **Static Code Analysis** | 6.5 (85 reviews) | 7.3 (83 reviews) | Not enough data | 
| **Black Box Testing** | 6.3 (84 reviews) | 7.8 (102 reviews) | Not enough data | 

#### Agentic AI - Vulnerability Scanner

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | 8.1 (9 reviews) | Not enough data | 
| **Proactive Assistance** | Not enough data | 7.9 (8 reviews) | Not enough data | 

### Software Composition Analysis

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 9.7/10 | 14 |

#### Functionality - Software Composition Analysis 

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Language Support** | Not enough data | Not enough data | 9.4 (12 reviews) | 
| **Integration** | Not enough data | Not enough data | 9.9 (12 reviews) | 
| **Transparency** | Not enough data | Not enough data | 9.7 (12 reviews) | 

#### Effectiveness - Software Composition Analysis

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Remediation Suggestions** | Not enough data | Not enough data | 9.6 (12 reviews) | 
| **Continuous Monitoring** | Not enough data | Not enough data | 10.0 (12 reviews) | 
| **Thorough Detection** | Not enough data | Not enough data | 9.6 (12 reviews) | 

### Cloud Security Monitoring and Analytics

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 8.3/10 | 65 |

#### Activity Monitoring

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Usage Monitoring** | Not enough data | Not enough data | 8.5 (64 reviews) | 
| **Database Monitoring** | Not enough data | Not enough data | 8.4 (63 reviews) | 
| **API Monitoring** | Not enough data | Not enough data | 8.4 (64 reviews) | 
| **Activity Monitoring** | Not enough data | Not enough data | 8.6 (62 reviews) | 

#### Security

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Compliance Monitoring** | Not enough data | Not enough data | 8.5 (63 reviews) | 
| **Risk Analysis** | Not enough data | Not enough data | 7.9 (61 reviews) | 
| **Reporting** | Not enough data | Not enough data | 8.4 (63 reviews) | 

#### Administration

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Security Automation** | Not enough data | Not enough data | 8.4 (61 reviews) | 
| **Security Integration** | Not enough data | Not enough data | 8.1 (62 reviews) | 
| **Multicloud Visibility** | Not enough data | Not enough data | 8.1 (61 reviews) | 

#### Agentic AI - Cloud Security Monitoring and Analytics

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Autonomous Task Execution** | 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 | 

### API Security

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | 8.1/10 | 33 |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### API Management 

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **API Discovery** | 8.6 (33 reviews) | Not enough data | Not enough data | 
| **API Monitoring** | 8.5 (31 reviews) | Not enough data | Not enough data | 
| **Reporting** | 8.4 (33 reviews) | Not enough data | Not enough data | 
| **Change Management** | 8.1 (30 reviews) | Not enough data | Not enough data | 

#### Security Testing

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Compliance Monitoring** | 8.8 (30 reviews) | Not enough data | Not enough data | 
| **API Verification** | 7.9 (29 reviews) | Not enough data | Not enough data | 
| **API Testing** | 7.5 (29 reviews) | Not enough data | Not enough data | 

#### Security Management

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Security and Policy Enforcement** | 8.5 (29 reviews) | Not enough data | Not enough data | 
| **Anomoly Detection** | 8.2 (31 reviews) | Not enough data | Not enough data | 
| **Bot Detection** | 6.0 (29 reviews) | Not enough data | Not enough data | 

### Secure Code Review

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 8.9/10 | 19 |

#### Documentation

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Feedback** | Not enough data | Not enough data | 9.2 (16 reviews) | 
| **Prioritization** | Not enough data | Not enough data | 8.6 (16 reviews) | 
| **Remediation Suggestions** | Not enough data | Not enough data | 9.2 (15 reviews) | 

#### Security

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **False Positives** | Not enough data | Not enough data | 8.3 (15 reviews) | 
| **Custom Compliance** | Not enough data | Not enough data | 9.0 (17 reviews) | 
| **Agility** | Not enough data | Not enough data | 9.3 (15 reviews) | 

### Cloud Security Posture Management (CSPM)

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | 8.5/10 | 120 |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 8.6/10 | 79 |

#### Configuration

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **DLP Configuration** | 6.8 (82 reviews) | Not enough data | 8.4 (62 reviews) | 
| **Configuration Monitoring** | 8.5 (96 reviews) | Not enough data | 8.7 (67 reviews) | 
| **Unified Policy Management** | 8.1 (83 reviews) | Not enough data | 8.6 (60 reviews) | 
| **Adaptive Access Control** | 7.6 (84 reviews) | Not enough data | 8.6 (60 reviews) | 
| **API / Integrations** | 8.5 (95 reviews) | Not enough data | 8.4 (68 reviews) | 

#### Visibility

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Multicloud Visibility** | 9.1 (102 reviews) | Not enough data | 8.5 (66 reviews) | 
| **Asset Discovery** | 9.3 (108 reviews) | Not enough data | 8.8 (60 reviews) | 

#### Vulnerability Management

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Threat Hunting** | 8.3 (90 reviews) | Not enough data | 8.6 (64 reviews) | 
| **Vulnerability Scanning** | 9.1 (108 reviews) | Not enough data | 8.9 (62 reviews) | 
| **Vulnerability Intelligence** | 8.9 (95 reviews) | Not enough data | 8.6 (62 reviews) | 
| **Risk-Prioritization** | 8.9 (101 reviews) | Not enough data | 8.6 (64 reviews) | 

### Attack Surface Management

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | 8.3/10 | 6 |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Asset Management

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Asset Discovery** | Not enough data | 6.9 (6 reviews) | Not enough data | 
| **Shadow IT Detection** | Not enough data | 7.5 (6 reviews) | Not enough data | 
| **Change Management** | Not enough data | 4.7 (6 reviews) | Not enough data | 

#### Monitoring

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Gap Analysis** | Not enough data | 8.3 (6 reviews) | Not enough data | 
| **Vulnerability Intelligence** | Not enough data | 10.0 (6 reviews) | Not enough data | 
| **Compliance Monitoring** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Continuous Monitoring** | Not enough data | 9.2 (6 reviews) | Not enough data | 

#### Risk Management

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Risk-Prioritization** | Not enough data | 9.2 (6 reviews) | Not enough data | 
| **Reconnaissance** | Not enough data | 9.2 (6 reviews) | Not enough data | 
| **At-Risk Analysis** | Not enough data | 8.6 (6 reviews) | Not enough data | 
| **Threat Intelligence** | Not enough data | 9.4 (6 reviews) | Not enough data | 

#### Generative AI

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **AI Text Summarization** | Not enough data | Not enough data | Not enough data | 

### Container Monitoring

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | 8.2/10 | 9 |

#### Alerts management

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Multi-mode alerts** | Not enough data | Not enough data | 8.1 (8 reviews) | 
| **Opimization alerts** | Not enough data | Not enough data | 8.3 (8 reviews) | 
| **Incident alerts** | Not enough data | Not enough data | 7.7 (8 reviews) | 

#### Monitoring

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Resource utilization** | Not enough data | Not enough data | 8.1 (8 reviews) | 
| **Real-time monitoring** | Not enough data | Not enough data | 8.1 (8 reviews) | 
| **Performance baseline** | Not enough data | Not enough data | 7.7 (8 reviews) | 
| **API monitoring** | Not enough data | Not enough data | 8.3 (8 reviews) | 

#### Automation

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Resolution automation** | Not enough data | Not enough data | 8.3 (8 reviews) | 
| **Automation** | Not enough data | Not enough data | 8.3 (8 reviews) | 

#### Analysis

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Search** | Not enough data | Not enough data | 8.6 (7 reviews) | 
| **Reporting** | Not enough data | Not enough data | 8.7 (9 reviews) | 
| **Visualization** | Not enough data | Not enough data | 8.8 (8 reviews) | 
| **Track trends** | Not enough data | Not enough data | 8.1 (8 reviews) | 

#### Issue Resolution

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Root cause identification** | Not enough data | Not enough data | 7.4 (9 reviews) | 
| **Resolution guidance** | Not enough data | Not enough data | 8.3 (8 reviews) | 
| **Proactive identification** | Not enough data | Not enough data | 8.3 (8 reviews) | 

### Cloud Infrastructure Entitlement Management (CIEM)

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | 8.4/10 | 31 |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Access control - Cloud Infrastructure Entitlement Management (CIEM)

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Policy Management** | 8.9 (31 reviews) | Not enough data | Not enough data | 
| **Fine-Grained Access Control** | 8.4 (30 reviews) | Not enough data | Not enough data | 
| **Role-Based Access Control (RBAC)** | 8.3 (30 reviews) | Not enough data | Not enough data | 
| **AI-driven access control** | 7.6 (30 reviews) | Not enough data | Not enough data | 

#### Monitoring - Cloud Infrastructure Entitlement Management (CIEM)

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Monitoring** | 8.4 (31 reviews) | Not enough data | Not enough data | 
| **AI-based detection** | 7.5 (30 reviews) | Not enough data | Not enough data | 

#### Auditing - Cloud Infrastructure Entitlement Management (CIEM)

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Visibility** | 9.2 (31 reviews) | Not enough data | Not enough data | 
| **Compliance Reporting** | 8.8 (31 reviews) | Not enough data | Not enough data | 

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

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

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

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 

### AI Security Solutions

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Model Protection - AI Security Solutions

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Input Hardening** | Not enough data | Not enough data | Not enough data | 
| **Input/Output Inspection** | Not enough data | Not enough data | Not enough data | 
| **Integrity Monitoring** | Not enough data | Not enough data | Not enough data | 
| **Model Access Control** | Not enough data | Not enough data | Not enough data | 

#### Runtime Monitoring - AI Security Solutions

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **AI Behavior Anomaly Detection** | Not enough data | Not enough data | Not enough data | 
| **Audit Trail** | Not enough data | Not enough data | Not enough data | 

#### Policy Enforcement and Compliance - AI Security Solutions

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Scalable Governance** | Not enough data | Not enough data | Not enough data | 
| **Integrations** | Not enough data | Not enough data | Not enough data | 
| **Shadow AI** | Not enough data | Not enough data | Not enough data | 
| **Policy‑as‑Code for AI Assets** | Not enough data | Not enough data | Not enough data | 

### AI Security Posture Management (AI-SPM) Tools

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Functionality - AI Security Posture Management (AI-SPM) Tools

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Security Ecosystem Integration** | Not enough data | Not enough data | Not enough data | 
| **AI Asset Discovery** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Policy Updates** | Not enough data | Not enough data | Not enough data | 
| **Access and Permissions Monitoring** | Not enough data | Not enough data | Not enough data | 
| **Policy Enforcement** | Not enough data | Not enough data | Not enough data | 

#### Risk Assessment - AI Security Posture Management (AI-SPM) Tools

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **AI Risk Assessment** | Not enough data | Not enough data | Not enough data | 
| **AI Asset Posture Scoring** | Not enough data | Not enough data | Not enough data | 

#### Governance & Compliance - AI Security Posture Management (AI-SPM) Tools

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **AI‑Generated Content Controls** | Not enough data | Not enough data | Not enough data | 
| **Audit Trails** | Not enough data | Not enough data | Not enough data | 

### Cloud Security

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Cloud Visibility

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **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 | 

### Cloud Detection and Response (CDR)

| Product | Score | Reviews |
|---|---|---|
| **Orca Security** | N/A | N/A |
| **Tenable Nessus** | N/A | N/A |
| **Microsoft Defender for Cloud** | N/A | N/A |

#### Agentic AI - Cloud Detection and Response (CDR)

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Autonomous Task Execution** | 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 | 

#### Services - Cloud Detection and Response (CDR) 

| Feature | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Managed Services** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to Orca Security (10):** [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), [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), [API Security Tools](https://www.g2.com/categories/api-security), [Cloud Infrastructure Entitlement Management (CIEM) Software](https://www.g2.com/categories/cloud-infrastructure-entitlement-management-ciem), [Cloud Detection and Response (CDR) Software](https://www.g2.com/categories/cloud-detection-and-response-cdr), [AI Security Posture Management (AI-SPM) Tools Software](https://www.g2.com/categories/ai-security-posture-management-ai-spm-tools)

**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)

**Unique to Microsoft Defender for Cloud (12):** [Cloud-Native Application Protection Platform (CNAPP)](https://www.g2.com/categories/cloud-native-application-protection-platform-cnapp), [AI Security Solutions Software](https://www.g2.com/categories/ai-security-solutions), [Cloud Security Posture Management (CSPM) Software](https://www.g2.com/categories/cloud-security-posture-management-cspm), [Secure Code Review Software](https://www.g2.com/categories/secure-code-review), [Cloud Security Monitoring and Analytics Software](https://www.g2.com/categories/cloud-security-monitoring-and-analytics), [Cloud Detection and Response (CDR) Software](https://www.g2.com/categories/cloud-detection-and-response-cdr), [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), [Container Monitoring Tools](https://www.g2.com/categories/container-monitoring-tools), [Software Composition Analysis Tools](https://www.g2.com/categories/software-composition-analysis), [AI Security Posture Management (AI-SPM) Tools Software](https://www.g2.com/categories/ai-security-posture-management-ai-spm-tools)


---
## Reviewer Demographics

### By Company Size

| Segment | Orca Security | Tenable Nessus | Microsoft Defender for Cloud | 
|---|---|---|---|
| **Small-Business** | 10.6% | 26.1% | 26.0% | 
| **Mid-Market** | 42.6% | 39.4% | 37.7% | 
| **Enterprise** | 46.8% | 34.5% | 36.3% | 

### By Industry

#### Orca Security

- **Information Technology and Services:** 16.6%
- **Computer Software:** 12.5%
- **Financial Services:** 8.3%
- **Computer & Network Security:** 5.7%
- **Marketing and Advertising:** 5.3%
- **Hospital & Health Care:** 4.5%
- **Insurance:** 4.2%
- **Retail:** 3.0%
- **Education Management:** 3.0%
- **Automotive:** 2.6%
- **Other:** 34.3%

#### 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%

#### Microsoft Defender for Cloud

- **Information Technology and Services:** 23.1%
- **Computer & Network Security:** 11.7%
- **Computer Software:** 11.7%
- **Education Management:** 6.8%
- **Oil & Energy:** 3.6%
- **Financial Services:** 3.2%
- **Banking:** 2.8%
- **Retail:** 2.5%
- **Hospital & Health Care:** 2.1%
- **Telecommunications:** 2.1%
- **Other:** 30.2%

---
## Alternatives

### Alternatives to Orca Security

- [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)
- [Cortex Cloud](https://www.g2.com/products/cortex-cloud/reviews) — 4.1/5 stars (112 reviews)
- [Sysdig Secure](https://www.g2.com/products/sysdig-sysdig-secure/reviews) — 4.8/5 stars (111 reviews)
- [CrowdStrike Falcon Cloud Security](https://www.g2.com/products/crowdstrike-falcon-cloud-security/reviews) — 4.6/5 stars (86 reviews)
- [Vanta](https://www.g2.com/products/vanta/reviews) — 4.6/5 stars (2449 reviews)
- [Scrut Automation](https://www.g2.com/products/scrut-automation/reviews) — 4.9/5 stars (1308 reviews)
- [Drata](https://www.g2.com/products/drata/reviews) — 4.7/5 stars (1177 reviews)
- [Secureframe](https://www.g2.com/products/secureframe/reviews) — 4.7/5 stars (797 reviews)
- [Sprinto](https://www.g2.com/products/sprinto-inc/reviews) — 4.8/5 stars (1652 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 (25 reviews)
- [APPCHECK](https://www.g2.com/products/appcheck/reviews) — 4.6/5 stars (67 reviews)
- [Astra Pentest](https://www.g2.com/products/astra-pentest/reviews) — 4.6/5 stars (186 reviews)

### Alternatives to Microsoft Defender for Cloud

- [Wiz](https://www.g2.com/products/wiz-wiz/reviews) — 4.7/5 stars (794 reviews)
- [Cortex Cloud](https://www.g2.com/products/cortex-cloud/reviews) — 4.1/5 stars (112 reviews)
- [FortiCNAPP](https://www.g2.com/products/forticnapp/reviews) — 4.4/5 stars (386 reviews)
- [CrowdStrike Falcon Cloud Security](https://www.g2.com/products/crowdstrike-falcon-cloud-security/reviews) — 4.6/5 stars (86 reviews)
- [Sysdig Secure](https://www.g2.com/products/sysdig-sysdig-secure/reviews) — 4.8/5 stars (111 reviews)
- [Qualys VMDR](https://www.g2.com/products/qualys-vmdr/reviews) — 4.4/5 stars (167 reviews)
- [Datadog](https://www.g2.com/products/datadog/reviews) — 4.4/5 stars (707 reviews)
- [GitLab](https://www.g2.com/products/gitlab/reviews) — 4.5/5 stars (893 reviews)
- [Vanta](https://www.g2.com/products/vanta/reviews) — 4.6/5 stars (2449 reviews)
- [IBM QRadar SIEM](https://www.g2.com/products/ibm-ibm-qradar-siem/reviews) — 4.4/5 stars (335 reviews)

---
## Top Discussions

### Orca Security

- Title: [Where is Orca security based?](https://www.g2.com/discussions/where-is-orca-security-based) — 2 comments
  > **Top comment:** "Orca Security is based in Los Angeles, California, United States."
- Title: [How much does Orca security cost?](https://www.g2.com/discussions/how-much-does-orca-security-cost) — 1 comment
  > **Top comment:** "$6500 per 50 workloads per year"
- Title: [What is ORCA platform?](https://www.g2.com/discussions/what-is-orca-platform) — 1 comment
  > **Top comment:** "SIEM tool for hunting threats, outdated oackages, overpowerful permissions, expired certificates. Mainly for AWS services"
- Title: [What does Orca Security do?](https://www.g2.com/discussions/what-does-orca-security-do) — 1 comment *(includes official response)*
  > **Top comment:** "Orca Security is a leader in CNAPP innovation (Cloud Native Application Protection Platform) for workload and data protection, cloud security posture..."

### 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."

### Microsoft Defender for Cloud

- Title: [What are the three security services provided by Windows Azure?](https://www.g2.com/discussions/what-are-the-three-security-services-provided-by-windows-azure) — 2 comments
  > **Top comment:** "It provides azure firewall, Microsoft sentinel, prevents DDOS Attack, defender for cloud "
- Title: [What is Microsoft Defender for Cloud used for?](https://www.g2.com/discussions/what-is-microsoft-defender-for-cloud-used-for) — 1 comment
  > **Top comment:** "Microsoft Defender for Cloud is a multicloud security solution. It provides native CSPM capabilities for Azure, AWS, and Google Cloud environments and..."
- Title: [What is Azure security management?](https://www.g2.com/discussions/what-is-azure-security-management) — 1 comment
  > **Top comment:** "Defender "
- Title: [Is Azure security Center a SIEM?](https://www.g2.com/discussions/is-azure-security-center-a-siem) — 1 comment, 1 upvote
  > **Top comment:** "Azure Security Center (ASC) is a cloud-native security management platform that provides unified security management and threat protection across hybrid..."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/orca-security-vs-tenable-nessus-vs-microsoft-defender-for-cloud)