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Backup · head to head

CloudAlly vs Tenable Nessus

CloudAlly logo

CloudAlly

Backup

Enterprise SaaS backup made simple

From
Free
Free plan
Yes
Visit CloudAllyFull review
Tenable Nessus logo

Tenable Nessus

Cybersecurity

Network vulnerability scanner

From
Free
Free plan
Yes
Visit Tenable NessusFull review

The short version

  • Free plans on both; paid from $3/mo and $2600/yr.
  • Only CloudAlly lists automated daily backup; only Tenable Nessus lists network scanning.
  • Where CloudAlly falls short: pricing not transparently displayed; requires customer inquiry.
  • Where Tenable Nessus falls short: nessus Professional is $4,790 for one year, sold as an annual licence rather than a per scan or usage based fee.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

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

Attributes where CloudAlly and Tenable Nessus differ
AttributeCloudAllyTenable Nessus
PlatformsWebWindows, Linux, macOS, Web
CategoryBackupCybersecurity
Founded20112002

Identical on both: starting price (Free), pricing model (Subscription), free tier (Yes).

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 CloudAlly

  • Automated daily backup
  • Point-in-time recovery
  • Cross-account restore
  • Archive export
  • Activity logs
  • Multi-admin support
  • Microsoft 365
  • Google Workspace

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.

CloudAlly

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

Tenable Nessus

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

Where each one falls short

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

CloudAlly

  • Pricing not transparently displayed; requires customer inquiry
  • Limited visibility into data center locations for compliance-sensitive organizations
  • Transition to OpenText Cybersecurity branding may cause confusion

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

CloudAlly

Free
  • CloudAlly Backup$3/mo
    • Daily backup
    • Point-in-time restore
    • Unlimited storage

Tenable Nessus

Free
  • Nessus EssentialsFree
    • Up to 16 ips
    • Network scanning
    • Vulnerability assessment
  • Nessus Professional$2,600/yr
    • Unlimited targets
    • Enterprise features
    • Advanced analytics
  • Nessus Expert$5,200/yr
    • All Professional features
    • Cloud integration
    • Advanced reporting

Which should you pick?

Choose CloudAlly if

  • You need automated daily backup.
  • You want to start without paying.
  • You also want point-in-time recovery.
CloudAlly review

Choose Tenable Nessus if

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

Questions people ask

Is CloudAlly or Tenable Nessus better?
Neither clearly leads. CloudAlly 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, CloudAlly or Tenable Nessus?
CloudAlly starts at Free and Tenable Nessus at Free.
Does CloudAlly or Tenable Nessus run on more platforms?
CloudAlly runs on Web. Tenable Nessus runs on Windows, Linux, macOS, Web.
Can I use CloudAlly for free?
Both have a free tier, so you can try either at no cost before committing.
What is CloudAlly best used for?
CloudAlly is most often used for data protection, disaster recovery, business continuity, ransomware protection. Of those, data protection and disaster recovery are not what Tenable Nessus is typically brought in for.
What can CloudAlly do that Tenable Nessus cannot?
CloudAlly covers Automated daily backup, Point-in-time recovery, Cross-account restore, Archive export. Tenable Nessus covers Network scanning, Vulnerability detection, Configuration assessment, Malware detection.

Answered from the vendors’ own pages

CloudAlly: What cloud applications can CloudAlly backup?

CloudAlly backs up Microsoft 365, Google Workspace, SharePoint/OneDrive, Salesforce, Box, and Dropbox with daily automated backups and unlimited retention.

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
CloudAlly: How is CloudAlly data encrypted and stored?

CloudAlly stores backups on AWS servers with 128-bit SSL encryption and AES 256-bit encryption, maintaining compliance certifications including ISO 27001, HIPAA, and GDPR.

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
CloudAlly: What recovery options does CloudAlly provide?

CloudAlly offers granular point-in-time recovery with unlimited retention, allowing three-click recovery of deleted files, and point-in-time restore capabilities for ransomware protection.

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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