ToolScout.

Nessus Pricing

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Starting price

$2990/month

Pricing model

Paid

Free tier

Yes

Free trial

Yes

Plans

PlanPriceBillingNotes
Essentials (Free)$0yearUp to 16 IP addresses; Same scanning engine; Plugin updates
Professional$2990yearUnlimited assessments; Standard support; All vulnerability checks
Expert$5890yearExternal attack surface scanning; Domain monitoring; IaC scanning

Figures are the vendor's published prices. Unknown values show as “—”. Price-history tracking is not yet available for this tool. Price verified 2026-10-01. Last updated 2026-10-08.

True cost

True cost calculator
PlanListedSeat basisMonthly · 5 seatsAnnual · 5 seats
Essentials (Free)$0/yearflat$0$0
Professional$2,990/yearflat$249$2,990
Expert$5,890/yearflat$491$5,890

Estimate from published prices. Per-seat plans scale with seats; flat plans don't; plans with included seats charge the base until you exceed them, then add the per-seat overage where published. Monthly/annual come from each plan's billing period. Taxes and add-ons excluded.

Nessus's starting price ($2990) is 445% above the Cybersecurity average of $549.

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