# Nessus Professional vs Sec1 WPFort WordPress Security Scanner: side-by-side comparison (2026) [Nessus Professional](https://cybersectools.com/tools/nessus-professional) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Tenable](https://cybersectools.com/companies/tenable). [Sec1 WPFort WordPress Security Scanner](https://cybersectools.com/tools/sec1-wpfort-wordpress-security-scanner) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Sec1](https://cybersectools.com/companies/sec1). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Nessus Professional | Sec1 WPFort WordPress Security Scanner | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Vulnerability Assessment | Vulnerability Assessment | | Verified | No | No | | Deployment type | On-Premises | Cloud | | Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market | | Company | Tenable | Sec1 | | Headquarters | – | – | ### Use cases and capabilities | | Nessus Professional | Sec1 WPFort WordPress Security Scanner | |---|---|---| | Vulnerability | Yes | – | | Security Scanning | Yes | Yes | | CVE | Yes | – | | Penetration Testing Framework | Yes | – | | NIST | Yes | – | | PCI DSS | Yes | – | | CIS | Yes | – | | Network Scanning | Yes | – | | VAPT | Yes | – | | WordPress | – | Yes | ### Core features **Nessus Professional** 10 features listed. Sign in on the page to see them. **Sec1 WPFort WordPress Security Scanner** 10 features listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Nessus Professional](https://cybersectools.com/tools/nessus-professional) fits if you need to run it on your own servers and you are an enterprise. - [Sec1 WPFort WordPress Security Scanner](https://cybersectools.com/tools/sec1-wpfort-wordpress-security-scanner) fits if you want a cloud product. ## Nessus Professional vs Sec1 WPFort WordPress Security Scanner FAQ Common questions when comparing Nessus Professional vs Sec1 WPFort WordPress Security Scanner for vulnerability assessment. ### What is the difference between Nessus Professional and Sec1 WPFort WordPress Security Scanner? **Nessus Professional**: Vulnerability scanner for assessing networks, systems, and apps for security flaws. Built by Tenable. **Sec1 WPFort WordPress Security Scanner**: WordPress vulnerability scanner that detects security issues and malware. Built by Sec1. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Nessus Professional and Sec1 WPFort WordPress Security Scanner? **Nessus Professional** is made by Tenable. **Sec1 WPFort WordPress Security Scanner** is made by Sec1. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Nessus Professional a good alternative to Sec1 WPFort WordPress Security Scanner? Often, yes. Nessus Professional and Sec1 WPFort WordPress Security Scanner are both Vulnerability Assessment products, and both cover Security Scanning. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Nessus Professional vs Webray RayScan](https://cybersectools.com/compare/nessus-professional-vs-webray-rayscan) - [Nessus Professional vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/nessus-professional-vs-positive-technologies-xspider-pro) - [Nessus Professional vs Tripwire IP360](https://cybersectools.com/compare/nessus-professional-vs-tripwire-ip360) - [Sec1 WPFort WordPress Security Scanner vs Webray RayScan](https://cybersectools.com/compare/sec1-wpfort-wordpress-security-scanner-vs-webray-rayscan) - [Sec1 WPFort WordPress Security Scanner vs Positive Technologies XSpider PRO](https://cybersectools.com/compare/positive-technologies-xspider-pro-vs-sec1-wpfort-wordpress-security-scanner) - [Sec1 WPFort WordPress Security Scanner vs Tripwire IP360](https://cybersectools.com/compare/sec1-wpfort-wordpress-security-scanner-vs-tripwire-ip360) ## Alternatives to each - [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional) - [See all Sec1 WPFort WordPress Security Scanner alternatives](https://cybersectools.com/alternatives/sec1-wpfort-wordpress-security-scanner) --- Source: https://cybersectools.com/compare/nessus-professional-vs-sec1-wpfort-wordpress-security-scanner For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/nessus-professional.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Nessus Professional and Sec1 WPFort WordPress Security Scanner: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md