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Cybersecurity · head to head

Nessus vs SysCloud

Nessus logo

Nessus

Cybersecurity

Vulnerability assessment solution

From
$4790/year
Free plan
No
Visit NessusFull review
SysCloud logo

SysCloud

Backup

Backup and security for Google Workspace and Microsoft 365

From
$4/month
Free plan
No
Visit SysCloudFull review

The short version

  • Nessus starts at $4790/yr, SysCloud at $4/mo.
  • Only Nessus lists vulnerability scanning; only SysCloud lists automated backup.
  • Where Nessus falls short: Nessus Professional is $4,790 for one year, with no free or low cost commercial tier.
  • Where SysCloud falls short: does not backup all Google Workspace data, such as Google Chat information.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Nessus and SysCloud actually diverge.

Attributes where Nessus and SysCloud differ
AttributeNessusSysCloud
Starting price$4790/year$4/month
PlatformsWindows, macOS, APIWeb
CategoryCybersecurityBackup
Founded20022013

Identical on both: free tier (No).

Not yet recorded: pricing model for SysCloud.

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 Nessus

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

Only in SysCloud

  • Automated backup
  • Ransomware protection
  • Cross-user restore
  • Data migration
  • DLP
  • Compliance archiving
  • Google Workspace
  • Microsoft 365

What people use each for

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

Nessus

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

SysCloud

  • Data protectionnot Nessus
  • Disaster recoverynot Nessus
  • Business continuitynot Nessus
  • Ransomware protectionnot Nessus
  • Compliancenot Nessus

Where each one falls short

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

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

SysCloud

  • Does not backup all Google Workspace data, such as Google Chat information
  • Can be slow with live data and large datasets
  • Difficult user interface for non-technical users
  • Limited backup frequency and capped storage on some plans

Pricing, plan by plan

Nessus

$4790/year
  • Nessus Professional$4,790/yr
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9,330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13,637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6,790/yr
    • 1 year license
    • Enhanced capabilities vs. Professional

SysCloud

$4/month
  • Custom Plans$4/user/mo
    • Starts at $4 per user per month
    • Discounts for yearly plans
    • Bulk purchase discounts

Which should you pick?

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Windows, macOS, API.
  • You also want configuration auditing.
Nessus review

Choose SysCloud if

  • You need automated backup.
  • You also want ransomware protection.
SysCloud review

Questions people ask

Is Nessus or SysCloud better?
Neither clearly leads. Nessus starts at $4790/year and SysCloud at $4/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nessus or SysCloud?
Nessus starts at $4790/year and SysCloud at $4/month.
Does Nessus or SysCloud run on more platforms?
Nessus runs on Windows, macOS, API. SysCloud runs on Web.
What is Nessus best used for?
Nessus is most often used for vulnerability scanning for individual practitioners, enterprise vulnerability management, web application security assessments. Of those, vulnerability scanning for individual practitioners and enterprise vulnerability management are not what SysCloud is typically brought in for.
What can Nessus do that SysCloud cannot?
Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning. SysCloud covers Automated backup, Ransomware protection, Cross-user restore, Data migration.

Answered from the vendors’ own pages

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
SysCloud: What applications does SysCloud backup?

SysCloud backs up Microsoft 365, Google Workspace, Google Classroom, Slack, HubSpot, QuickBooks Online, Salesforce, Box, and Xero with automated daily backups.

Source
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
SysCloud: Does SysCloud have a free trial?

Yes, SysCloud offers a 30-day free trial to evaluate the platform before committing to a paid plan.

Source
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
SysCloud: What is SysCloud's uptime guarantee?

SysCloud operates on AWS infrastructure with 99.99% availability, running backups 365 days per year.

Source
SysCloud: How does SysCloud detect ransomware?

SysCloud can identify files encrypted by ransomware and restore a safe version, helping protect against data loss from ransomware attacks.

Source
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