The Affordable Nessus Alternative for Modern Security Teams
Flat-rate vulnerability scanning with KEV, EPSS, and compliance mapping built in. No per-IP pricing.
Tenable Nessus vs ScanAnchor: The Real Cost Difference
Nessus Professional costs £3,500–£4,500/year for a standalone scanner without threat intelligence enrichment or compliance auto-mapping. ScanAnchor starts from £179/month (£2,148/year) and includes unlimited scanning, CISA KEV, EPSS, compliance mapping, and Jira/ServiceNow integrations.
Nessus vs ScanAnchor: Side-by-Side Comparison
| Feature | Nessus Pro | ScanAnchor |
|---|---|---|
| Annual cost | ~£3,500–£4,500 | From £2,148 |
| CISA KEV | Not included | Included |
| EPSS | Not included | Included |
| Compliance mapping | Manual | Auto-mapped |
| Jira integration | Not included | Included |
Key Reasons to Switch from Nessus
- No per-IP charges — scan every asset freely
- Built-in CISA KEV + EPSS threat intelligence
- Compliance auto-mapping for PCI-DSS, HIPAA, Cyber Essentials, ISO 27001
- Flat monthly cost from £179/month
- Team RBAC and SSO support
Frequently Asked Questions
- Is ScanAnchor as accurate as Nessus?
- ScanAnchor provides comparable scan accuracy with continuously updated detection signatures, plus adds CISA KEV and EPSS exploitation context.
- Does ScanAnchor support authenticated scanning?
- Yes — SSH key pairs, username/password, and WMI for Windows. Credentials encrypted at rest with AES-256.