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Cybersecurity · head to head

McAfee Total Protection vs Tenable Nessus

McAfee Total Protection logo

McAfee Total Protection

Cybersecurity

Award-winning antivirus trusted by millions

From
$29.99/year
Rated
-
Full reviewWebsite
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Tenable Nessus has a free tier, so it costs nothing to try first.
  • Each has a real cost: McAfee Total Protection significant renewal price increase after first year (from $29.99 to $84.99/year); 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: McAfee Total Protection covers Real-time antivirus, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which McAfee Total Protection and Tenable Nessus actually diverge.

Attributes where McAfee Total Protection and Tenable Nessus differ
AttributeMcAfee Total ProtectionTenable Nessus
Starting price$29.99/yearFree
Pricing modelUnknownsubscription
Free tierNoYes
PlatformsWindows, macOS, iOS, AndroidWindows, Linux, Macos, Cloud
Founded19872002

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 McAfee Total Protection

  • Real-time antivirus
  • Firewall
  • Safe browsing
  • Password manager
  • Secure VPN
  • Identity monitoring
  • Protection Score
  • Parental controls

Only in Tenable Nessus

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

Both cover

  • Cloud deployment

What people use each for

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

McAfee Total Protection

  • Antivirusnot Tenable Nessus
  • Internet Securitynot Tenable Nessus
  • Identity Protectionnot Tenable Nessus

Tenable Nessus

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

Where each one falls short

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

McAfee Total Protection

  • Significant renewal price increase after first year (from $29.99 to $84.99/year)
  • Customer support responsiveness issues reported as reason for switching
  • Renewal billing can be aggressive with auto-renewal defaults

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

McAfee Total Protection

$29.99/year
  • Basic$29.99/year
    • Antivirus
    • Firewall
    • 1 device
  • Plus$39.99/year
    • Antivirus
    • Firewall
    • 5 devices
  • Premium$49.99/year
    • Antivirus
    • Firewall
    • VPN
  • Advanced$74.99/year
    • Antivirus
    • Firewall
    • VPN

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 McAfee Total Protection if

  • You need real-time antivirus.
  • You work on Windows, macOS, iOS, Android.
  • You also want firewall.
McAfee Total Protection 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 McAfee Total Protection or Tenable Nessus better?
Neither clearly leads. McAfee Total Protection starts at $29.99/year and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, McAfee Total Protection or Tenable Nessus?
Tenable Nessus has a free tier; the other does not. Paid plans start at $29.99/year for McAfee Total Protection and Free for Tenable Nessus.
Does McAfee Total Protection or Tenable Nessus run on more platforms?
McAfee Total Protection runs on Windows, macOS, iOS, Android. Tenable Nessus runs on Windows, Linux, Macos, Cloud.
Can I use Tenable Nessus for free?
Yes. Tenable Nessus has a free tier, so you can try it without paying. McAfee Total Protection starts at $29.99/year.
What is McAfee Total Protection best used for?
McAfee Total Protection is most often used for antivirus, internet security, identity protection. Of those, antivirus and internet security are not what Tenable Nessus is typically brought in for.
What can McAfee Total Protection do that Tenable Nessus cannot?
McAfee Total Protection covers Real-time antivirus, Firewall, Safe browsing, Password manager. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection. Both handle Cloud deployment.

Answered from the vendors’ own pages

McAfee Total Protection: How much does McAfee Total Protection cost?

McAfee Total Protection introductory pricing ranges from $29.99/year (Basic) to $74.99/year (Advanced), but renewal costs jump to $84.99/year after the first year.

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.

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McAfee Total Protection: What is the trial period for McAfee Total Protection?

McAfee offers a 60-day money-back guarantee, allowing you to try the service risk-free for two months.

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
McAfee Total Protection: How many devices can I protect with one McAfee Total Protection subscription?

Device coverage varies by plan: Basic covers 1 device, while other plans protect 5 to unlimited devices depending on the tier selected.

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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
McAfee Total Protection: Does McAfee Total Protection include VPN?

VPN is included in higher-tier McAfee plans if you opt for auto-renewal.

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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.

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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.

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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.

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Tenable Nessus: How frequently are Nessus plugins updated?

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

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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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