Vulnerability Management
DygDog vs. Tenable Nessus
Enterprise vulnerability management platform
What is Tenable Nessus?
Tenable Nessus is one of the most widely deployed enterprise vulnerability scanners, covering network hosts, containers, cloud assets, and web applications. Its breadth is its strength — but it is built for security operations teams who can invest in deployment, tuning, and result triage. Web application coverage is credentialed and active, and the platform carries enterprise pricing out of reach for small teams.
Tenable Nessus is best suited for: Enterprise security operations teams with dedicated VM programmes. Pricing typically starts at Nessus Professional: $4,700/yr / Expert: $5,990/yr.
Feature comparison
| Feature | DygDog | Tenable Nessus |
|---|---|---|
| Deployment | SaaS — zero infrastructure | On-prem or cloud agent deployment |
| Web app focus | Purpose-built for web/SaaS | Network-first, web app is add-on |
| Production safety | Passive, zero risk | Active scans require maintenance window |
| AI remediation | Stack-specific code fixes | CVE descriptions and CVSS scores |
| Compliance | Automated SOC 2 / ISO / GDPR | Compliance scan templates, manual mapping |
| Entry-level cost | Free tier available | $4,700/yr minimum |
Tenable Nessus limitations
- Enterprise pricing starts at $4,700/yr for Nessus Expert
- Active scanning requires careful scheduling to avoid production impact
- Web app module is an add-on requiring credentials
- Remediation guidance is generic CVE descriptions
- Significant analyst time needed to triage findings
Why teams switch to DygDog
- Immediate SaaS access — no procurement or deployment
- Passive scanning safe for production at any time
- AI triage reduces analyst time for common findings
- Compliance frameworks built-in and mapped automatically
- Purpose-built for web and SaaS application attack surfaces
The bottom line
Tenable Nessus excels for enterprise security operations teams with dedicated vm programmes. If your team needs continuous, developer-focused security scanning with AI-generated code fixes and automated compliance evidence — without the setup overhead or per-asset costs — DygDog is built for exactly that use case.
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