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# HCL AppScan vs Tenable Nessus Comparison - What are their main differences?

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HCL AppScanTenable Nessus[+ Add Product](#)

Reviews

**HCL AppScan** [

4.1/5(106)

](https://www.g2.com/products/hcl-appscan/reviews#reviews)

**Tenable Nessus** [

4.5/5(316)

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

Pricing

**HCL AppScan**
Free Trial

**Free** · HCL AppScan CodeSweep

**Tenable Nessus**
Free Trial

**$3,390.00** 1 License With One-Time Purchase · Pro - 1 Year

**Pricing Insights**
from reviews

Time to Implement

**HCL AppScan**
3 months

Based on 9 responses

**Tenable Nessus**
1 monthFaster

Based on 23 responses

Return on Investment

**HCL AppScan**
13 months

Based on 7 responses

**Tenable Nessus**
12 months1 month sooner

Based on 19 responses

Perceived Cost

**HCL AppScan**
$$$$$

**Tenable Nessus**
$$$$$

Average Discount

**HCL AppScan**
7%

**Tenable Nessus**
8%1% more

Pros & Cons

**HCL AppScan**
Not enough data

**Tenable Nessus**
[
Vulnerability Identification (21)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=1158838&qs=pros-and-cons#reviews)[
Vulnerability Detection (19)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=1158713&qs=pros-and-cons#reviews)[
Slow Scanning (8)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=1158016&qs=pros-and-cons#reviews)[
Expensive (6)
](https://www.g2.com/products/tenable-nessus/reviews?filters%5Bsentiment_snippet%5D=2314763&qs=pros-and-cons#reviews)

Integrations

**HCL AppScan**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_92678e42a1cad1b80e7d257e3636e25e/android-studio.jpg "Product Avatar Image")

Android Studio

](https://www.g2.com/products/android-studio/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_b3390b4cc3d92e87d570895f7358c003/aws-codebuild.jpg "Product Avatar Image")

AWS CodeBuild

](https://www.g2.com/products/aws-codebuild/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_b3390b4cc3d92e87d570895f7358c003/aws-codepipeline.jpg "Product Avatar Image")

AWS CodePipeline

](https://www.g2.com/products/aws-codepipeline/reviews)[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_2ac0e7b10e1efb64107026cb2b241d53/azure-devops-projects.jpg "Product Avatar Image")

Azure Boards

](https://www.g2.com/products/azure-boards/reviews)[
View all
](https://www.g2.com/products/hcl-appscan/integrations)

**Tenable Nessus**
[

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_cbd3fb3d7b519da99e67a6ef0172fadf/tenable-security-center.png "Product Avatar Image")

Tenable Security Center

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

 ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/large_detail/large_detail_cbd3fb3d7b519da99e67a6ef0172fadf/tenable-vulnerability-management.png "Product Avatar Image")

Tenable Vulnerability...

](https://www.g2.com/products/tenable-vulnerability-management/reviews)[
View all
](https://www.g2.com/products/tenable-nessus/integrations)

Screenshots

**HCL AppScan**
No screenshot available

**Tenable Nessus**
 ![Tenable Nessus screenshot](https://images.g2crowd.com/cdn-cgi/image/width=600,height=600,fit=scale-down,format=auto,onerror=redirect,/https://images.g2crowd.com/uploads/attachment/file/91875/grouped-view-1.png)

Ratings

Meets Requirements

**HCL AppScan**

8.6

8.682

**Tenable Nessus**

9.0

9.0260

Ease of Use

**HCL AppScan**

8.3

8.386

**Tenable Nessus**

8.9

8.9263

Ease of Setup

**HCL AppScan**

8.0

8.055

**Tenable Nessus**

8.8

8.8185

Ease of Admin

**HCL AppScan**

8.1

8.147

**Tenable Nessus**

8.9

8.9171

Quality of Support

**HCL AppScan**

8.4

8.482

**Tenable Nessus**

8.4

8.4240

Has the product been a good partner in doing business?

**HCL AppScan**

8.6

8.645

**Tenable Nessus**

8.7

8.7159

Product Direction (% positive)

**HCL AppScan**

8.3

8.375

**Tenable Nessus**

8.9

8.9246

Features

Static Application Security Testing (SAST)[Hide 23 FeaturesShow 23 Features](javascript:void(0);)

8.2

37

Not enough data

Administration

API / Integrations

8.6(won by default)

28

Not enough data

Extensibility

8.6(won by default)

22

Not enough data

Analysis

Real-Time Analytics

8.7(won by default)

25

Not enough data

Issue Tracking

7.9(won by default)

23

Not enough data

Static Code Analysis

8.4(won by default)

31

Not enough data

Code Analysis

8.1(won by default)

31

Not enough data

Integrated Development Environment

Not enough data

Not enough data

Testing

Command-Line Tools

7.6(won by default)

21

Not enough data

Manual Testing

7.8(won by default)

21

Not enough data

Test Automation

8.4(won by default)

23

Not enough data

Compliance Testing

8.1(won by default)

25

Not enough data

Source-Code Scanning

8.5(won by default)

26

Not enough data

Detection Rate

8.3(won by default)

25

Not enough data

False Positives

7.4(won by default)

28

Not enough data

Multi-Language Scanning

Not enough data

Not enough data

Agentic AI - Static Application Security Testing (SAST)

Autonomous Task Execution

Not enough data

Not enough data

Additional Functionality

Debugging

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

For Developers

Not enough data

Not enough data

Deployment Management

Not enough data

Not enough data

Application Security

Not enough data

Not enough data

Dashboard

Not enough data

Not enough data

Dynamic Application Security Testing (DAST)[Hide 13 FeaturesShow 13 Features](javascript:void(0);)

8.1

44

Not enough data

Administration

API / Integrations

8.3(won by default)

32

Not enough data

Extensibility

8.2(won by default)

28

Not enough data

Analysis

Reporting and Analytics

8.5(won by default)

30

Not enough data

Issue Tracking

8.0(won by default)

27

Not enough data

Static Code Analysis

8.3(won by default)

32

Not enough data

Vulnerability Scan

8.3(won by default)

40

Not enough data

Code Analysis

8.3(won by default)

30

Not enough data

Testing

Manual Testing

7.7(won by default)

28

Not enough data

Test Automation

8.1(won by default)

26

Not enough data

Compliance Testing

8.5(won by default)

28

Not enough data

Black-Box Scanning

8.3(won by default)

33

Not enough data

Detection Rate

8.3(won by default)

33

Not enough data

False Positives

7.1(won by default)

33

Not enough data

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

Not enough data

8.4

169

Performance

Detection Rate

Not enough data

8.9(won by default)

144

|

Verified

False Positives

Not enough data

6.7(won by default)

141

|

Verified

Automated Scans

Not enough data

9.1(won by default)

139

|

Verified

Issue Tracking

Not enough data

Feature Not Available

Anomaly/Malware Detection

Not enough data

Not enough data

Network

Compliance Testing

Not enough data

8.8(won by default)

138

|

Verified

Perimeter Scanning

Not enough data

8.9(won by default)

135

|

Verified

Configuration Monitoring

Not enough data

8.4(won by default)

111

|

Verified

Vulnerability Scanning

Not enough data

10.0(won by default)

7

Source-Code Scanning

Not enough data

Not enough data

Web Scanning

Not enough data

Not enough data

Application

Static Code Analysis

Not enough data

7.3(won by default)

84

Black Box Testing

Not enough data

7.8(won by default)

103

Manual Application Testing

Not enough data

Feature Not Available

Risk Analysis

Not enough data

Not enough data

Agentic AI - Vulnerability Scanner

Autonomous Task Execution

Not enough data

8.1(won by default)

9

Proactive Assistance

Not enough data

7.9(won by default)

8

Additional Functionality

SSL Security

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

API

Not enough data

Not enough data

Threat Response

Not enough data

Not enough data

Endpoint Protection

Not enough data

Not enough data

Maintenance Scheduling

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Application Security

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Network Security

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Financial Data Protection

Not enough data

Not enough data

Anti Virus

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Virus Definition Update

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

VPN

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Anti Spam

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Runtime Container Security

Not enough data

Not enough data

Asset Discovery

Not enough data

Not enough data

Threat Intelligence

Not enough data

Not enough data

Vulnerability Protection

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Vulnerability/Threat Prioritization

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

SQL Injections

Not enough data

Not enough data

Real-Time Analytics

Not enough data

Not enough data

Threat Protection

Not enough data

Not enough data

Web-Application Security

Not enough data

Not enough data

Password Protection

Not enough data

Not enough data

Website Crawling

Not enough data

Not enough data

Vulnerability Assessment

Not enough data

Not enough data

Software Composition Analysis[Hide 6 FeaturesShow 6 Features](javascript:void(0);)

8.8

8

Not enough data

Functionality - Software Composition Analysis 

Integration

8.7(won by default)

5

Not enough data

Language Support

Not enough data

Not enough data

Transparency

Not enough data

Not enough data

Effectiveness - Software Composition Analysis

Remediation Suggestions

8.9(won by default)

6

Not enough data

Continuous Monitoring

Not enough data

Not enough data

Thorough Detection

Not enough data

Not enough data

Attack Surface Management[Hide 42 FeaturesShow 42 Features](javascript:void(0);)

Not enough data

8.3

6

Asset Management

Asset Discovery

Not enough data

6.9(won by default)

6

Shadow IT Detection

Not enough data

7.5(won by default)

6

Change Management

Not enough data

4.7(won by default)

6

Compliance Management

Not enough data

Not enough data

Monitoring

Gap Analysis

Not enough data

8.3(won by default)

6

Vulnerability Intelligence

Not enough data

10.0(won by default)

6

Compliance Monitoring

Not enough data

8.6(won by default)

6

Continuous Monitoring

Not enough data

9.2(won by default)

6

Server Monitoring

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Risk Management

Risk-Prioritization

Not enough data

9.2(won by default)

6

Reconnaissance

Not enough data

9.2(won by default)

6

At-Risk Analysis

Not enough data

8.6(won by default)

6

Threat Intelligence

Not enough data

9.4(won by default)

6

Generative AI

AI Text Summarization

Not enough data

Not enough data

Additional Functionality

SSL Security

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

API

Not enough data

Not enough data

Threat Response

Not enough data

Not enough data

Endpoint Protection

Not enough data

Not enough data

Maintenance Scheduling

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Application Security

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Network Security

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Authentication

Not enough data

Not enough data

Financial Data Protection

Not enough data

Not enough data

Anti Virus

Not enough data

Not enough data

Secure Data Storage

Not enough data

Not enough data

Virus Definition Update

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

VPN

Not enough data

Not enough data

Audit Trail

Not enough data

Not enough data

Anti Spam

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Alerts/Escalation

Not enough data

Not enough data

Data Security

Not enough data

Not enough data

Show 4 feature categories with incomplete data

Vulnerability Management[Hide 36 FeaturesShow 36 Features](javascript:void(0);)

Not enough data

Not enough data

Additional Functionality

Search/Filter

Not enough data

Not enough data

Risk Management

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Alerts/Notifications

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Certificate Assessment

Not enough data

Not enough data

API

Not enough data

Not enough data

Incident Management

Not enough data

Not enough data

Automated Containment

Not enough data

Not enough data

Real-Time Data

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Policy Management

Not enough data

Not enough data

Asset Discovery

Not enough data

Not enough data

Penetration Testing

Not enough data

Not enough data

Runtime Container Security

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Security Auditing

Not enough data

Not enough data

Issue Tracking

Not enough data

Not enough data

Threat Intelligence

Not enough data

Not enough data

Patch Management

Not enough data

Not enough data

Endpoint Management

Not enough data

Not enough data

Collaboration Tools

Not enough data

Not enough data

Vulnerability Management

Not enough data

Not enough data

Goal Setting/Tracking

Not enough data

Not enough data

Vulnerability Assessment

Not enough data

Not enough data

Asset Tagging

Not enough data

Not enough data

Assessment Management

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Vulnerability/Threat Prioritization

Not enough data

Not enough data

Vulnerability Protection

Not enough data

Not enough data

Risk Assessment

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

SQL Injections

Not enough data

Not enough data

API Security[Hide 10 FeaturesShow 10 Features](javascript:void(0);)

Not enough data

Not enough data

API Management 

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

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

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

Cloud Security[Hide 48 FeaturesShow 48 Features](javascript:void(0);)

Not enough data

Not enough data

Cloud Visibility

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

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

Real-Time Data

Not enough data

Not enough data

Cloud Application Security

Not enough data

Not enough data

SSL Security

Not enough data

Not enough data

Identity

SSO

Not enough data

Not enough data

Governance

Not enough data

Not enough data

User Analytics

Not enough data

Not enough data

Real-Time Analytics

Not enough data

Not enough data

Visual Analytics

Not enough data

Not enough data

Reporting/Analytics

Not enough data

Not enough data

Additional Functionality

Alerts/Notifications

Not enough data

Not enough data

AI Copilot

Not enough data

Not enough data

Access Controls/Permissions

Not enough data

Not enough data

Endpoint Management

Not enough data

Not enough data

Intrusion Detection System

Not enough data

Not enough data

Compliance Management

Not enough data

Not enough data

HIPAA Compliant

Not enough data

Not enough data

Search/Filter

Not enough data

Not enough data

API

Not enough data

Not enough data

Two-Factor Authentication

Not enough data

Not enough data

Data Visualization

Not enough data

Not enough data

Risk Assessment

Not enough data

Not enough data

Real-Time Monitoring

Not enough data

Not enough data

Event Logs

Not enough data

Not enough data

Activity Dashboard

Not enough data

Not enough data

Audit Management

Not enough data

Not enough data

Cloud Security Policy Management

Not enough data

Not enough data

Vulnerability Protection

Not enough data

Not enough data

Anti Virus

Not enough data

Not enough data

Incident Management

Not enough data

Not enough data

Threat Intelligence

Not enough data

Not enough data

Real-Time Reporting

Not enough data

Not enough data

Reporting & Statistics

Not enough data

Not enough data

User Management

Not enough data

Not enough data

Encryption

Not enough data

Not enough data

Vulnerability Scanning

Not enough data

Not enough data

Generative AI

Not enough data

Not enough data

Status Tracking

Not enough data

Not enough data

Third-Party Integrations

Not enough data

Not enough data

Real-Time Notifications

Not enough data

Not enough data

Patch Management

Not enough data

Not enough data

Monitoring

Not enough data

Not enough data

Cloud Encryption

Not enough data

Not enough data

Interactive Application Security Testing (IAST)[Hide 1 FeatureShow 1 Feature](javascript:void(0);)

Not enough data

Not enough data

Agentic AI - Interactive Application Security Testing (IAST)

Autonomous Task Execution

Not enough data

Not enough data

User Insights

Reviewers' Company Size

[![HCL AppScan](https://images.g2crowd.com/uploads/product/hd_favicon/29b6f6f7723fdb127f6c9c54b9dd756f/hcl-appscan.svg "HCL AppScan")](https://www.g2.com/products/hcl-appscan/reviews)

HCL AppScan

Small-Business(50 or fewer emp.)

25.5%

Mid-Market(51-1000 emp.)

27.5%

Enterprise(\> 1000 emp.)

47.1%

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

Tenable Nessus

Small-Business(50 or fewer emp.)

25.4%

Mid-Market(51-1000 emp.)

40.5%

Enterprise(\> 1000 emp.)

34.1%

Small-Business

(50 or fewer emp.)

25.5%

25.4%

Mid-Market

(51-1000 emp.)

27.5%

40.5%

Enterprise

(\> 1000 emp.)

47.1%

34.1%

Reviewers' Industry

[![HCL AppScan](https://images.g2crowd.com/uploads/product/hd_favicon/29b6f6f7723fdb127f6c9c54b9dd756f/hcl-appscan.svg "HCL AppScan")](https://www.g2.com/products/hcl-appscan/reviews)
HCL AppScan

Information Technology and Services

24.7%

Computer & Network Security

12.4%

Computer Software

10.3%

Automotive

7.2%

Financial Services

5.2%

Other

40.2%

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

Information Technology and Services

25.3%

Computer & Network Security

16.8%

Financial Services

7.1%

Computer Software

5.7%

Banking

5.1%

Other

40.1%

FAQs

## HCL AppScan vs Tenable Nessus FAQs

Generated using AI

Last updated: August 14, 2026

### What is the difference between HCL AppScan vs Tenable Nessus?

Tenable Nessus stands out for its higher G2 rating, broader reviewer base, and stronger ease-of-use and setup scores, while HCL AppScan is more enterprise-focused with a strong support reputation.

| [HCL AppScan](https://www.g2.com/products/hcl-appscan/reviews) | [Tenable Nessus](https://www.g2.com/products/tenable-nessus/reviews) |
| --- | --- |
| 4.1/5 (76 reviews) | 4.5/5 (305 reviews) |
| Enterprise | Mid-Market |
| 8.5 | 8.8 |
| 8.5 | 8.4 |
| User interface and comprehensive security testing | Vulnerability identification and ease of use |

### How do the pricing models of HCL AppScan and Tenable Nessus compare?

Tenable Nessus is rated higher for price satisfaction, indicating reviewers consider it the stronger value compared to HCL AppScan.

- **HCL AppScan:** Reviewers note that HCL AppScan is a commercial product that may not fit every budget, with several mentioning its higher cost as a trade-off for its enterprise-grade features.
- **Tenable Nessus:** Reviewers consistently highlight Tenable Nessus as cost-effective and easy to justify for its value, though some mention that costs have increased over time.
- **Switching reasons:** Recent reviews indicate that buyers may switch to Tenable Nessus for its perceived better value and lower total cost of ownership.

### What are the best alternatives to HCL AppScan and Tenable Nessus?

The top three alternatives to HCL AppScan and Tenable Nessus are Intruder, Invicti, and Checkmarx.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [HCL AppScan](https://www.g2.com/products/hcl-appscan/reviews) | 4.1/5 (76 reviews) | Enterprise | Commercial product, higher cost | User interface and comprehensive security testing |
| [Tenable Nessus](https://www.g2.com/products/tenable-nessus/reviews) | 4.5/5 (305 reviews) | Mid-Market | Cost-effective, value for money | Vulnerability identification and ease of use |
| [Intruder](https://www.g2.com/products/intruder/reviews) | 4.8/5 (209 reviews) | — | — | High accuracy and ease of use |
| [Invicti](https://www.g2.com/products/invicti/reviews) | 4.5/5 (72 reviews) | Enterprise | — | Enterprise-grade vulnerability detection |
| [Checkmarx](https://www.g2.com/products/checkmarx/reviews) | 4.2/5 (48 reviews) | Enterprise | — | Comprehensive application security testing |

### Which Dynamic Application Security Testing (DAST) features should I prioritize when comparing HCL AppScan and Tenable Nessus?

Buyers should prioritize vulnerability detection accuracy, ease of use, integration capabilities, reporting quality, and false positive rates when comparing HCL AppScan and Tenable Nessus.

- **Vulnerability Detection Accuracy:** Tenable Nessus has 20 all-time mentions for vulnerability identification and 18 for vulnerability detection; HCL AppScan is praised for comprehensive security testing in recent reviews.
- **Ease of Use:** Tenable Nessus scores 8.9 on Ease of Use with 16 all-time mentions; HCL AppScan scores 8.6 and is noted for its user interface.
- **Integration Capabilities:** HCL AppScan is cited for easy integration in recent reviews; Tenable Nessus supports integrations via APIs and plugins.
- **Reporting Quality:** Tenable Nessus is frequently mentioned for detailed and actionable reports; HCL AppScan is noted for clear vulnerability information and traceability.
- **False Positive Rates:** Both products are discussed for false positives, with Tenable Nessus having 5 all-time mentions and HCL AppScan receiving mixed feedback in recent reviews.

### What are the pros and cons of HCL AppScan vs Tenable Nessus?

Tenable Nessus is strongest in vulnerability identification and ease of use, while HCL AppScan is recognized for its comprehensive security testing and user interface.

- **HCL AppScan strengths:** Comprehensive security testing, detailed vulnerability information, strong user interface, easy integration, and robust support for enterprise environments.
- **HCL AppScan trade-offs:** Higher cost, steeper learning curve for new users, and occasional reports of more false positives compared to other enterprise tools.
- **Tenable Nessus strengths:** 20 all-time mentions for vulnerability identification, 18 for vulnerability detection, 16 for ease of use, 15 for automated scanning, and 13 for user interface. Reviewers also highlight cost-effectiveness and actionable reporting.
- **Tenable Nessus trade-offs:** 7 all-time mentions for slow scanning, 6 for being expensive, 6 for limited features, 5 for complexity, and 5 for false positives. Some reviewers note that advanced features require premium licensing and that reporting could be more flexible.

### Is HCL AppScan or Tenable Nessus better for small businesses?

Tenable Nessus is the better fit for small businesses, as it is most popular in the Mid-Market segment and is consistently praised for ease of use and value.

- **HCL AppScan:** Largest segment is Enterprise; reviewers note its comprehensive features but mention higher cost and complexity as trade-offs for smaller organizations.
- **Tenable Nessus:** Largest segment is Mid-Market; reviewers highlight its ease of deployment, intuitive interface, and cost-effectiveness for smaller teams.

### Which Dynamic Application Security Testing (DAST) platform has better integrations?

HCL AppScan and Tenable Nessus are both cited for integration capabilities, with reviewers noting easy integration for HCL AppScan and plugin/API support for Tenable Nessus.

- **HCL AppScan:** Recent reviews mention easy integration with tools like Jira and CI/CD pipelines.
- **Tenable Nessus:** Reviewers highlight integration via APIs and plugins, with mentions of integration with HCL BigFix and other systems.

### How do HCL AppScan and Tenable Nessus compare on customer support?

HCL AppScan and Tenable Nessus have near-parity on Quality of Support, with scores of 8.5 and 8.4 respectively, indicating similar reviewer satisfaction.

- **HCL AppScan:** Reviewers frequently praise prompt and reliable customer support, with several citing round-the-clock assistance and quick resolution of issues.
- **Tenable Nessus:** Reviewers describe support as helpful and responsive, though a few mention delays in scheduling calls or resolving technical support tickets.

### Which is easier to implement, HCL AppScan or Tenable Nessus?

Tenable Nessus has a slight edge in Ease of Setup with a score of 8.8 versus HCL AppScan's 8.5, but both products are rated highly for implementation.

- **HCL AppScan:** Reviewers note that setup is generally straightforward, especially for enterprise environments, but mention a steeper learning curve for new users and some complexity in initial configuration.
- **Tenable Nessus:** Reviewers consistently highlight easy and quick setup, intuitive onboarding, and minimal training required for basic scans, making it accessible for teams with varying technical backgrounds.

### Which product has better False Positives?

Both HCL AppScan and Tenable Nessus are discussed for false positives, with Tenable Nessus having more all-time mentions of low false positive rates and HCL AppScan receiving mixed feedback in recent reviews.

- **HCL AppScan:** Reviewers note both minimal and occasional higher false positives, with recent reviews highlighting improvements but some ongoing concerns.
- **Tenable Nessus:** 5 all-time mentions for false positives, with several reviewers praising its low false positive rate and accuracy in vulnerability detection.

Alternatives

**HCL AppScan Alternatives**

 ![Invicti](https://images.g2crowd.com/uploads/product/hd_favicon/3bee4d2b732dab5368b9a8aa21f05e30/invicti.svg "Invicti")

[
Invicti
](/products/invicti/reviews)

 ![Veracode Application Security Platform](https://images.g2crowd.com/uploads/product/hd_favicon/d30c215643c0b745ba4951ab20b60121/veracode-application-security-platform.svg "Veracode Application Security Platform")

[
Veracode Application...
](/products/veracode-application-security-platform/reviews)

 ![Checkmarx](https://images.g2crowd.com/uploads/product/hd_favicon/ee46b61b130757d24b7633fe98e00fb6/checkmarx.svg "Checkmarx")

[
Checkmarx
](/products/checkmarx/reviews)

 ![SonarQube](https://images.g2crowd.com/uploads/product/hd_favicon/2d6b80be24e9f51c144f780f2aa41cb3/sonarqube.svg "SonarQube")

[
SonarQube
](/products/sonarqube/reviews)

**Tenable Nessus Alternatives**

 ![Intruder](https://images.g2crowd.com/uploads/product/hd_favicon/1539808658/intruder.svg "Intruder")

[
Intruder
](/products/intruder/reviews)

 ![Invicti](https://images.g2crowd.com/uploads/product/hd_favicon/3bee4d2b732dab5368b9a8aa21f05e30/invicti.svg "Invicti")

[
Invicti
](/products/invicti/reviews)

 ![Detectify](https://images.g2crowd.com/uploads/product/image/thumb_square/thumb_square_b3060aea2f789d838e7b2fa172ee4fdf/detectify.png "Detectify")

[
Detectify
](/products/detectify/reviews)

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

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

## HCL AppScan vs Tenable Nessus

When assessing the two solutions, reviewers found Tenable Nessus easier to use, set up, and administer. Reviewers also preferred doing business with Tenable Nessus overall.

- Reviewers felt that Tenable Nessus meets the needs of their business better than HCL AppScan.
- When comparing quality of ongoing product support, HCL AppScan and Tenable Nessus provide similar levels of assistance.
- For feature updates and roadmaps, our reviewers preferred the direction of Tenable Nessus over HCL AppScan.