authentik vs Nessus

Professional comparison and analysis to help you choose the right software solution for your needs.

authentik

Nessus

authentik vs Nessus: The Verdict

⚡ Summary:

authentik: authentik is an open-source identity provider and access management system. It allows centralized authentication and authorization for web applications and services. authentik is self-hosted, customizable, and integrates with Linux systems.

Nessus: Nessus is a vulnerability scanner used to scan networks and systems for security vulnerabilities. It is one of the most popular vulnerability assessment tools.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature	authentik	Nessus
Sugggest Score	—	—
Category	Security & Privacy	Security & Privacy
Pricing	Open Source	—

Product Overview

authentik

Description: authentik is an open-source identity provider and access management system. It allows centralized authentication and authorization for web applications and services. authentik is self-hosted, customizable, and integrates with Linux systems.

Type: software

Pricing: Open Source

Nessus

Description: Nessus is a vulnerability scanner used to scan networks and systems for security vulnerabilities. It is one of the most popular vulnerability assessment tools.

Type: software

Key Features Comparison

authentik Features

Single sign-on
Multi-factor authentication
User management
Group management
Access control policies
Integration with LDAP, SAML, OAuth
Web and desktop clients

Nessus Features

Vulnerability scanning
Compliance auditing
Web application scanning
Malware detection
Configuration auditing

Pros & Cons Analysis

authentik

Pros

Open source and self-hosted
Highly customizable and extensible
Integrates with Linux systems
Supports many authentication protocols
Granular access control

Cons

Complex initial setup
Requires hosting infrastructure
Limited documentation and support

Nessus

Pros

Wide range of vulnerability checks
User-friendly interface
Regular plugin updates
Integrates with other Tenable products
Can customize scans and policies

Cons

Limited mobile device scanning
No built-in remediation capabilities
Some advanced features require additional purchase

Pricing Comparison

authentik

Open Source

Nessus

Not listed

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