Softwr

Cybersecurity · head to head

HashiCorp Boundary vs Nessus

HashiCorp Boundary logo

HashiCorp Boundary

Cybersecurity

Identity-aware session broker for infrastructure access without distributing credentials

From
Free
Rated
-
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Rated
-
Full reviewWebsite

The short version

  • Only HashiCorp Boundary has a free tier, so it costs nothing to try first.
  • Each has a real cost: HashiCorp Boundary hashiCorp was acquired by IBM in February 2025 and Enterprise licensing now runs through IBM Passport Advantage; IBM has already retired HCP Vault Secrets, so Boundary's roadmap depends on IBM portfolio decisions rather than HashiCorp's own product strategy.; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: HashiCorp Boundary covers Identity-based access, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which HashiCorp Boundary and Nessus actually diverge.

Attributes where HashiCorp Boundary and Nessus differ
AttributeHashiCorp BoundaryNessus
Starting priceFree$4790/year
Pricing modelOpen source, no licence feesubscription
Free tierYesNo
PlatformsLinux, macOS, Windows, WebDesktop, Api
FoundedUnknown2002

Identical on both: user rating (Not yet rated), category (Cybersecurity).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in HashiCorp Boundary

  • Identity-based access
  • Just-in-time credentials
  • Dynamic host catalogues
  • Session recording
  • Transparent sessions
  • Multi-hop workers
  • Audit logging
  • Terraform provider

Only in Nessus

  • Vulnerability scanning
  • Configuration auditing
  • Malware detection
  • Web application scanning
  • Cloud scanning
  • Compliance checks
  • Patch auditing
  • Pre-built policies

What people use each for

The jobs each tool is most often brought in to do.

HashiCorp Boundary

  • A platform team replacing shared SSH keys and a bastion host so that leavers lose access the moment they are removed from the identity providernot Nessus
  • Granting contractors time-boxed database access without ever issuing them a credential they could keepnot Nessus
  • An estate where autoscaling replaces hosts continuously and a static access list is always out of datenot Nessus
  • Producing session recordings as evidence for an audit that requires proof of who touched production and what they rannot Nessus

Nessus

  • Vulnerability scanning for individual practitionersnot HashiCorp Boundary
  • Enterprise vulnerability managementnot HashiCorp Boundary
  • Web application security assessmentsnot HashiCorp Boundary

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

HashiCorp Boundary

  • HashiCorp was acquired by IBM in February 2025 and Enterprise licensing now runs through IBM Passport Advantage; IBM has already retired HCP Vault Secrets, so Boundary's roadmap depends on IBM portfolio decisions rather than HashiCorp's own product strategy.
  • Enterprise pricing is not published anywhere, and the features most organisations actually need for compliance, notably session recording, are Enterprise only, so the free community edition is rarely the version you end up buying.
  • It solves access to infrastructure, not to applications; browser-based internal tools, SaaS admin consoles and APIs need a separate control, so Boundary is one component of a zero-trust programme rather than the whole thing.
  • Running it yourself means operating controllers, worker nodes and a Postgres database in a highly available configuration, and if that control plane is down nobody can reach production, which makes it a new critical dependency.
  • It is materially easier to adopt if you already run Vault and Terraform; teams without that ecosystem face a steeper learning curve than a device-based mesh product like Tailscale, for a similar access outcome.

Nessus

  • Nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • Multi year terms are the only discount route, at $9,330.95 for two years and $13,637.54 for three
  • It is a single user scanner, so team workflows mean migrating to another Tenable product
  • Tenable One vulnerability management is priced separately, starting at $3,500 a year for 100 assets

Pricing, plan by plan

HashiCorp Boundary

Free
  • Boundary Community EditionFree
    • MPL 2.0 open source
    • Self-hosted controllers and workers
    • Identity-based target access
  • Boundary Enterprise$undefined/year
    • Session recording and playback
    • Multi-hop and transparent sessions
    • Multi-tenancy via scopes

Nessus

$4790/year
  • Nessus Professional$4790/year
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6790/year
    • 1 year license
    • Enhanced capabilities vs. Professional

Which should you pick?

Choose HashiCorp Boundary if

  • You need identity-based access.
  • You want to start without paying.
  • You work on Linux, macOS, Windows, Web.
  • You also want just-in-time credentials.
HashiCorp Boundary review

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Desktop, Api.
  • You also want configuration auditing.
Nessus review

Questions people ask

Is HashiCorp Boundary or Nessus better?
Neither clearly leads. HashiCorp Boundary starts at Free and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HashiCorp Boundary or Nessus?
HashiCorp Boundary has a free tier; the other does not. Paid plans start at Free for HashiCorp Boundary and $4790/year for Nessus.
Does HashiCorp Boundary or Nessus run on more platforms?
HashiCorp Boundary runs on Linux, macOS, Windows, Web. Nessus runs on Desktop, Api.
Can I use HashiCorp Boundary for free?
Yes. HashiCorp Boundary has a free tier, so you can try it without paying. Nessus starts at $4790/year.
What is HashiCorp Boundary best used for?
HashiCorp Boundary is most often used for a platform team replacing shared ssh keys and a bastion host so that leavers lose access the moment they are removed from the identity provider, granting contractors time-boxed database access without ever issuing them a credential they could keep, an estate where autoscaling replaces hosts continuously and a static access list is always out of date, producing session recordings as evidence for an audit that requires proof of who touched production and what they ran. Of those, a platform team replacing shared ssh keys and a bastion host so that leavers lose access the moment they are removed from the identity provider and granting contractors time-boxed database access without ever issuing them a credential they could keep are not what Nessus is typically brought in for.
What can HashiCorp Boundary do that Nessus cannot?
HashiCorp Boundary covers Identity-based access, Just-in-time credentials, Dynamic host catalogues, Session recording. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning.

Answered from the vendors’ own pages

HashiCorp Boundary: Is Boundary open source?

The community edition is, under MPL 2.0. Boundary Enterprise is commercial and is now sold through IBM Passport Advantage.

Nessus: What is the cheapest Nessus option?

Nessus Professional starts at $4,790 per year for a 1-year license. Multi-year commitments offer discounts, with 2-year licenses at $9,330.95 and 3-year licenses at $13,637.54.

Source
HashiCorp Boundary: Does it replace a VPN?

For infrastructure access, largely yes. It grants a session to a specific target rather than putting the user on a network, but it does not cover browser-based internal applications.

Nessus: What is the difference between Nessus Professional and Expert?

Nessus Expert costs $6,790 per year for a 1-year license (compared to $4,790 for Professional) and includes enhanced capabilities. Multi-year rates are available at discounted prices.

Source
HashiCorp Boundary: What does Boundary Enterprise cost?

HashiCorp does not publish Boundary pricing. It is quoted, and since the IBM acquisition it is transacted on IBM licensing paper.

Nessus: Does Nessus offer optional support or training?

Yes, Nessus offers add-on services: Advanced Support at $400/year provides 24x365 access to phone, email, community, and chat support. On-Demand Training costs $275/year for Fundamentals course access or $385/year for both Fundamentals and Advanced courses.

Source
HashiCorp Boundary: Do I need Vault to use it?

No, but the just-in-time credential brokering that makes Boundary worthwhile depends on Vault or an equivalent secrets store.

Share

Related pages

More on HashiCorp Boundary

More on Nessus

Keep looking

Other head to heads