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Cybersecurity · head to head

LastPass vs Tenable Nessus

LastPass logo

LastPass

Cybersecurity

Simplify online life with LastPass password manager

From
Free
Rated
-
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: LastPass free plan limited to 1 device type only; Tenable Nessus nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • They diverge on capability: LastPass covers Password vault, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which LastPass and Tenable Nessus actually diverge.

Attributes where LastPass and Tenable Nessus differ
AttributeLastPassTenable Nessus
Pricing modelfreemiumsubscription
PlatformsWeb, Desktop, MobileWindows, Linux, Macos, Cloud
Founded20082002

Identical on both: starting price (Free), free tier (Yes), 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 LastPass

  • Password vault
  • Password generator
  • Autofill
  • Security dashboard
  • Dark web monitoring
  • Emergency access
  • Secure notes
  • Digital wallet

Only in Tenable Nessus

  • Network scanning
  • Vulnerability detection
  • Configuration assessment
  • Malware detection
  • Compliance checking
  • Cloud security assessment
  • Mobile scanning
  • API access

What people use each for

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

LastPass

  • Password management and vault storagenot Tenable Nessus
  • Multi-device access and autofillnot Tenable Nessus
  • Dark web monitoring and security dashboardnot Tenable Nessus
  • Team collaboration with shared folders and policiesnot Tenable Nessus

Tenable Nessus

  • Vulnerability scanning of servers, network devices and web applicationsnot LastPass
  • Configuration and compliance auditing against hardening benchmarksnot LastPass
  • Point in time assessments by consultants and penetration testersnot LastPass

Where each one falls short

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

LastPass

  • Free plan limited to 1 device type only
  • Premium plan costs ~$3/month annually (30% discount applied)
  • Business Teams plan limited to up to 50 users maximum
  • Teams plan offers only 25 security policies
  • Business plan pricing ~$4/user/month
  • Business Max plan costs ~$7/user/month for advanced features

Tenable Nessus

  • Nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee
  • Support beyond the base entitlement costs an extra $400 per year for Advanced Support with 24x365 phone and chat access
  • The on demand training course is a separate $275 purchase for a single person for one year
  • Multi year discounts require paying for two or three years up front

Pricing, plan by plan

LastPass

Free
  • Free$undefined/mo
    • Unlimited password storage
    • Autofill
    • Dark web monitoring
  • Premium$undefined/month
    • Unlimited passwords
    • All devices
    • Password generator
  • Families$undefined/month
    • Premium features
    • Shared folders
    • Family manager dashboard

Tenable Nessus

Free
  • Nessus EssentialsFree
    • Up to 16 ips
    • Network scanning
    • Vulnerability assessment
  • Nessus Professional$2600/year
    • Unlimited targets
    • Enterprise features
    • Advanced analytics
  • Nessus Expert$5200/year
    • All Professional features
    • Cloud integration
    • Advanced reporting

Which should you pick?

Choose LastPass if

  • You need password vault.
  • You want to start without paying.
  • You work on Web, Desktop, Mobile.
  • You also want password generator.
LastPass review

Choose Tenable Nessus if

  • You need network scanning.
  • You want to start without paying.
  • You work on Windows, Linux, Macos, Cloud.
  • You also want vulnerability detection.
Tenable Nessus review

Questions people ask

Is LastPass or Tenable Nessus better?
Neither clearly leads. LastPass starts at Free and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LastPass or Tenable Nessus?
LastPass starts at Free and Tenable Nessus at Free.
Does LastPass or Tenable Nessus run on more platforms?
LastPass runs on Web, Desktop, Mobile. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use LastPass for free?
Both have a free tier, so you can try either at no cost before committing.
What is LastPass best used for?
LastPass is most often used for password management and vault storage, multi-device access and autofill, dark web monitoring and security dashboard, team collaboration with shared folders and policies. Of those, password management and vault storage and multi-device access and autofill are not what Tenable Nessus is typically brought in for.
What can LastPass do that Tenable Nessus cannot?
LastPass covers Password vault, Password generator, Autofill, Security dashboard. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection.

Answered from the vendors’ own pages

LastPass: Does LastPass have a free version?

Yes, LastPass offers a free plan with unlimited password storage, autofill, dark web monitoring, and basic password sharing, but it is limited to 1 device type.

Source
Tenable Nessus: What are the three Nessus offerings?

Nessus Essentials is a free introductory offering for educators, students, and career starters, limited to 16 IPs for scanning. Nessus Professional is designed for consultants and SMBs, providing unlimited IT scans across any location. Nessus Expert is the premium offering extending Professional with web application scanning, infrastructure-as-code scanning, and external attack surface assessment up to 5 domains.

Source
LastPass: What devices does the free plan support?

The free plan is limited to 1 device type, meaning you must choose either desktop or mobile, not both.

Source
Tenable Nessus: What OS platforms does Nessus support?

Nessus runs on Debian/Kali Linux, Fedora, FreeBSD, Mac OS X, Red Hat/CentOS, SUSE Linux, Ubuntu, and various Windows versions including Server 2008, 2012, and Windows 7-10.

Source
Tenable Nessus: Can I use Nessus to scan third-party networks as a consultant?

Yes, Tenable permits you to use Nessus to scan third-party networks. Nessus Professional is ideal for consultants.

Source
Tenable Nessus: Can Nessus perform PCI external scanning?

Yes, you can use Nessus Professional to perform external network scans as required by the PCI DSS 11.2.2 requirement.

Source
Tenable Nessus: What additional features does Nessus Expert provide?

Web application scanning, which is dynamic application security testing (DAST) providing comprehensive visibility and insight into web application security issues; scanning code repositories for vulnerabilities; and assessing external attack surface with subdomain discovery.

Source
Tenable Nessus: What support options exist for Nessus Professional?

Standard Support includes software upgrades, patches, plugin access, and 24x7 support via chat and community portal. Advanced Support adds 24x7 phone access and committed SLAs: P1 less than 2 hours, P2 less than 4 hours, P3 less than 12 hours, P4 less than 24 hours.

Source
Tenable Nessus: How frequently are Nessus plugins updated?

Nessus plugins are updated daily, based on when vendors and security research sites publish new vulnerabilities.

Source
Tenable Nessus: How does licensing work in virtual machine environments?

Whether you are using Nessus in a physical or a virtual environment, the IP addresses or hosts that you are scanning from must be licensed.

Source
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