SecurityScorecard vs Nessus: Which Should You Choose in 2026?
Choosing between SecurityScorecard and Nessus comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
By Toolradar Team · Last updated February 28, 2026 · Methodology
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
SecurityScorecard
Detect, prioritize, and remediate vendor risk across your entire supply chain at scale.
Best for you if:
- • You want to try before committing
- • Provides real-time supply chain risk detection and response.
- • Facilitates vendor collaboration and automates remediation workflows.
Nessus
Vulnerability assessment scanner
Best for you if:
- • You want the higher-rated option (8.4/10 vs 0.0/10)
- • Nessus is a vulnerability scanner for identifying security issues
- • It scans networks and systems for vulnerabilities, misconfigurations, and malware
| At a Glance |  SecurityScorecard |  Nessus |
|---|---|---|
Price | Free + Paid | Paid |
Best For | Vulnerability Scanning | Vulnerability Scanning |
Rating | —/100 | 84/100 |
| Feature | SecurityScorecard | Nessus |
|---|---|---|
| Pricing Model | Freemium | Paid |
| Editorial Score | — | 84 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Vulnerability ScanningSecurity Monitoring | Vulnerability ScanningSecurity Monitoring |
How SecurityScorecard and Nessus Compare
SecurityScorecard
Detect, prioritize, and remediate vendor risk across your entire supply chain at scale.
Free tier available
Nessus
Vulnerability assessment scanner
Paid · 84/100 score
Who Should Use What?
On a budget?
SecurityScorecard has a free tier. Nessus is paid only.
Go with: SecurityScorecard
Want the highest-rated option?
Nessus scores 84/100. SecurityScorecard is unrated.
Go with: Nessus
Value user reviews?
Neither has user reviews yet.
Go with: Nessus
3 Questions to Help You Decide
What's your budget?
SecurityScorecard is freemium. Nessus is paid. SecurityScorecard lets you start free.
What's your use case?
Both are vulnerability scanning tools. Compare their specific features to decide.
How important are ratings?
Not all tools have been rated yet.
Key Takeaways
Nessus
- Higher score: 84/100 vs unrated
- Our pick for this comparison
SecurityScorecard
- Has a free tier
The Bottom Line
Nessus (84/100) is our pick. SecurityScorecard has a free tier if you want to test without paying.
Frequently Asked Questions
Is SecurityScorecard or Nessus better?
Nessus scores 84/100 in our evaluation. SecurityScorecard is freemium and Nessus is paid.
What are SecurityScorecard and Nessus used for?
SecurityScorecard: Detect, prioritize, and remediate vendor risk across your entire supply chain at scale.. Nessus: Vulnerability assessment scanner.
What does SecurityScorecard cost vs Nessus?
SecurityScorecard is freemium (free tier + paid plans). Nessus is a paid tool. Visit their websites for detailed pricing.