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Customer Support · head to head

Salesforce Service Cloud vs Tenable Nessus

Salesforce Service Cloud logo

Salesforce Service Cloud

Customer Support

Customer service software that powers loyalty

From
$25/month
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: Salesforce Service Cloud the vendor's own pricing page as captured by the Internet Archive on 29 December 2021 listed four Service Cloud tiers billed annually per user per month in USD: $25, $75, $150 (Enterprise, marked most popular), and $300; add-ons such as Omni-Channel Supervisor cost an additional $75 per user per month and Google Apps/Outlook integration an additional $25 per user per month on lower tiers; 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: Salesforce Service Cloud covers Case management, Tenable Nessus covers Network scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Salesforce Service Cloud and Tenable Nessus actually diverge.

Attributes where Salesforce Service Cloud and Tenable Nessus differ
AttributeSalesforce Service CloudTenable Nessus
Starting price$25/monthFree
Free tierNoYes
PlatformsWeb, Ios, AndroidWindows, Linux, Macos, Cloud
CategoryCustomer SupportCybersecurity
Founded19992002

Identical on both: pricing model (subscription), user rating (Not yet rated).

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 Salesforce Service Cloud

  • Case management
  • Omnichannel routing
  • AI-powered bots
  • Field service
  • Self-service
  • Analytics
  • Salesforce CRM
  • Slack

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.

Salesforce Service Cloud

  • Enterprise customer servicenot Tenable Nessus
  • Field servicenot Tenable Nessus
  • Self-service portalsnot Tenable Nessus
  • AI-powered supportnot Tenable Nessus

Tenable Nessus

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

Where each one falls short

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

Salesforce Service Cloud

  • The vendor's own pricing page as captured by the Internet Archive on 29 December 2021 listed four Service Cloud tiers billed annually per user per month in USD: $25, $75, $150 (Enterprise, marked most popular), and $300; add-ons such as Omni-Channel Supervisor cost an additional $75 per user per month and Google Apps/Outlook integration an additional $25 per user per month on lower tiers

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

Salesforce Service Cloud

$25/month
  • Essentials$25/month
    • Case management
    • Knowledge base
    • Web & email support
  • Professional$80/month
    • CTI
    • Omni-channel routing
    • Custom reports
  • Enterprise$165/month
    • Web API
    • Einstein AI
    • Workflow automation
  • Unlimited$330/month
    • 24/7 support
    • Configuration services
    • Premier success

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 Salesforce Service Cloud if

  • You need case management.
  • You work on Web, Ios, Android.
  • You also want omnichannel routing.
Salesforce Service Cloud 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 Salesforce Service Cloud or Tenable Nessus better?
Neither clearly leads. Salesforce Service Cloud starts at $25/month and Tenable Nessus at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Salesforce Service Cloud or Tenable Nessus?
Tenable Nessus has a free tier; the other does not. Paid plans start at $25/month for Salesforce Service Cloud and Free for Tenable Nessus.
Does Salesforce Service Cloud or Tenable Nessus run on more platforms?
Salesforce Service Cloud runs on Web, 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. Salesforce Service Cloud starts at $25/month.
What is Salesforce Service Cloud best used for?
Salesforce Service Cloud is most often used for enterprise customer service, field service, self-service portals, ai-powered support. Of those, enterprise customer service and field service are not what Tenable Nessus is typically brought in for.
What can Salesforce Service Cloud do that Tenable Nessus cannot?
Salesforce Service Cloud covers Case management, Omnichannel routing, AI-powered bots, Field service. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection.

Answered from the vendors’ own pages

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
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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