Detectify vs Tenable Nessus Comparison: Reviews, Features, Pricing & Alternatives in 2026

Detailed side-by-side comparison to help you choose the right solution for your team

Updated Apr 2026 8 min read

Detectify

0.0 (0 reviews)

Detectify is an external attack surface management platform that provides automated security scanning and asset discovery to help you identify and remediate vulnerabilities across your entire internet-facing inventory.

Starting at --
Free Trial 14 days
VS

Tenable Nessus

0.0 (0 reviews)

Nessus is a vulnerability assessment solution providing deep-point-in-time scans to identify security flaws, misconfigurations, and malware across your modern IT infrastructure, including cloud, containers, and traditional assets.

Starting at Free
Free Trial 7 days

Quick Comparison

Feature Detectify Tenable Nessus
Website detectify.com tenable.com
Pricing Model Custom Freemium
Starting Price Custom Pricing Free
FREE Trial ✓ 14 days free trial ✓ 7 days free trial
Free Plan ✘ No free plan ✓ Has free plan
Product Demo ✓ Request demo here ✓ Request demo here
Deployment saas saas on-premise desktop
Integrations Slack Jira GitHub Splunk Microsoft Teams PagerDuty Opsgenie Webhooks Zapier ServiceNow Splunk AWS Microsoft Azure Google Cloud Platform Jira Slack IBM QRadar
Target Users mid-market enterprise small-business mid-market enterprise
Target Industries
Customer Count 0 0
Founded Year 2013 2002
Headquarters Stockholm, Sweden Columbia, USA

Overview

D

Detectify

Detectify helps you stay ahead of attackers by automating the discovery and monitoring of your entire external attack surface. You can map out every internet-facing asset, including subdomains and shadow IT that often go unnoticed. The platform uses a combination of asset discovery and vulnerability scanning to find security flaws before they can be exploited, providing you with actionable remediation advice tailored to your specific tech stack.

You can integrate these security checks directly into your development workflow to ensure that new code doesn't introduce fresh risks. Whether you are managing a handful of domains or a complex global infrastructure, the platform provides the visibility you need to reduce your digital footprint's risk. It simplifies complex security testing by mimicking the behavior of real-world hackers to find high-impact vulnerabilities automatically.

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Tenable Nessus

Nessus helps you identify and fix security vulnerabilities before attackers can exploit them. You can scan your entire environment—including cloud instances, web applications, and traditional network hardware—to find missing patches, software flaws, and configuration errors. It provides a clear view of your attack surface so you can prioritize the most critical risks to your business.

You can choose between different versions depending on your needs, ranging from a free version for educators and students to professional and expert versions for security consultants. It simplifies the complex task of vulnerability assessment with pre-built templates and automated reporting. Whether you are securing a small office or a complex hybrid-cloud environment, you can rely on its extensive plugin library to stay protected against the latest threats.

Overview

D

Detectify Features

  • Surface Monitoring Discover and map your entire external attack surface automatically to eliminate blind spots and identify forgotten assets.
  • Vulnerability Scanning Run automated security tests based on the latest findings from elite ethical hackers to catch high-impact vulnerabilities.
  • Custom Payload Testing Verify your security posture by running safe, simulated attacks against your web applications to ensure your defenses hold up.
  • Asset Inventory Maintain a real-time list of all your subdomains, IP addresses, and technologies to manage your digital footprint effectively.
  • Remediation Guidance Receive clear, prioritized instructions on how to fix discovered flaws so your team can resolve issues faster.
  • CI/CD Integration Automate security testing within your build pipeline to catch vulnerabilities before they ever reach your production environment.
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Tenable Nessus Features

  • Pre-Built Scan Templates. Start scanning immediately using over 450 pre-configured templates for common audits like PCI-DSS and HIPAA compliance.
  • Live Results. Perform offline vulnerability analysis against your scan history to find new threats without running a new scan.
  • Cloud Infrastructure Scanning. Assess your cloud-native assets and identify misconfigurations in AWS, Azure, and Google Cloud environments easily.
  • Customizable Reporting. Create tailored reports in multiple formats like HTML or PDF to share critical security findings with your stakeholders.
  • Web Application Scanning. Identify vulnerabilities in your web applications and APIs to prevent common attacks like SQL injection and cross-site scripting.
  • External Surface Discovery. Find and map your internet-facing assets to understand what an attacker sees when looking at your organization.

Pricing Comparison

D

Detectify Pricing

T

Tenable Nessus Pricing

Nessus Essentials
$0
  • Scan up to 16 IP addresses
  • High-speed accurate scanning
  • Community support access
  • Standard vulnerability assessment
  • Free for educators and students

Pros & Cons

M

Detectify

Pros

  • High-quality vulnerability findings with very low false-positive rates
  • Easy setup process that gets you scanning in minutes
  • Excellent discovery of forgotten subdomains and shadow IT
  • Intuitive interface that simplifies complex security data

Cons

  • Custom pricing can be expensive for very small startups
  • Scan times can be long for large, complex applications
  • Requires manual verification for some complex logical vulnerabilities
A

Tenable Nessus

Pros

  • Extremely high accuracy with very low false-positive rates
  • Massive library of plugins updated daily for new threats
  • Easy to set up and run your first scan quickly
  • Detailed remediation instructions help you fix issues faster

Cons

  • Annual subscription cost is high for small businesses
  • Interface can feel dated compared to newer cloud platforms
  • Reporting customization requires a learning curve to master
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