# Bitdefender GravityZone Cloud and Server Security vs Nessus Professional: side-by-side comparison (2026) [Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/tools/bitdefender-gravityzone-cloud-and-server-security) is a commercial [workload protection](https://cybersectools.com/categories/workload-protection) solution by [Bitdefender](https://cybersectools.com/companies/bitdefender). [Nessus Professional](https://cybersectools.com/tools/nessus-professional) is a commercial [vulnerability assessment](https://cybersectools.com/categories/vulnerability-assessment) solution by [Tenable](https://cybersectools.com/companies/tenable). Features, integrations, deployment and the company behind each one, side by side. ## Side-by-side comparison | | Bitdefender GravityZone Cloud and Server Security | Nessus Professional | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Workload Protection | Vulnerability Assessment | | Verified | No | No | | Deployment type | Hybrid | On-Premises | | Company size fit | SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise | | Company | Bitdefender | Tenable | | Headquarters | – | – | ### Use cases and capabilities | | Bitdefender GravityZone Cloud and Server Security | Nessus Professional | |---|---|---| | Cloud Native | Yes | – | | Windows Security | Yes | – | | Workload Security | Yes | – | | Linux | Yes | – | | Vulnerability | – | Yes | | Security Scanning | – | Yes | | CVE | – | Yes | | Penetration Testing Framework | – | Yes | | NIST | – | Yes | | PCI DSS | – | Yes | | CIS | – | Yes | | Network Scanning | – | Yes | | VAPT | – | Yes | ### Core features **Bitdefender GravityZone Cloud and Server Security** 10 features listed. Sign in on the page to see them. **Nessus Professional** 10 features listed. Sign in on the page to see them. ### Integrations **Bitdefender GravityZone Cloud and Server Security** 6 integrations listed. Sign in on the page to see them. **Nessus Professional** No integrations listed. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Bitdefender GravityZone Cloud and Server Security](https://cybersectools.com/tools/bitdefender-gravityzone-cloud-and-server-security) fits if you need both cloud and on-premises options. - [Nessus Professional](https://cybersectools.com/tools/nessus-professional) fits if you need to run it on your own servers and you are a startup. ## Bitdefender GravityZone Cloud and Server Security vs Nessus Professional FAQ Common questions when comparing Bitdefender GravityZone Cloud and Server Security vs Nessus Professional for workload protection. ### What is the difference between Bitdefender GravityZone Cloud and Server Security and Nessus Professional? **Bitdefender GravityZone Cloud and Server Security**: Cloud and server security for hybrid and multi-cloud workload protection. Built by Bitdefender. **Nessus Professional**: Vulnerability scanner for assessing networks, systems, and apps for security flaws. Built by Tenable. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Bitdefender GravityZone Cloud and Server Security and Nessus Professional? **Bitdefender GravityZone Cloud and Server Security** is made by Bitdefender. **Nessus Professional** is made by Tenable. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Bitdefender GravityZone Cloud and Server Security a good alternative to Nessus Professional? In part. Bitdefender GravityZone Cloud and Server Security and Nessus Professional are not in the same category on CybersecTools. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Bitdefender GravityZone Cloud and Server Security vs ESET Server Security](https://cybersectools.com/compare/bitdefender-gravityzone-cloud-and-server-security-vs-eset-server-security) - [Bitdefender GravityZone Cloud and Server Security vs Aqua Security Cloud VM Security](https://cybersectools.com/compare/aqua-security-cloud-vm-security-vs-bitdefender-gravityzone-cloud-and-server-security) - [Bitdefender GravityZone Cloud and Server Security vs Datadog Workload Protection](https://cybersectools.com/compare/bitdefender-gravityzone-cloud-and-server-security-vs-datadog-workload-protection) - [Nessus Professional vs ESET Server Security](https://cybersectools.com/compare/eset-server-security-vs-nessus-professional) - [Nessus Professional vs Aqua Security Cloud VM Security](https://cybersectools.com/compare/aqua-security-cloud-vm-security-vs-nessus-professional) - [Nessus Professional vs Datadog Workload Protection](https://cybersectools.com/compare/datadog-workload-protection-vs-nessus-professional) ## Alternatives to each - [See all Bitdefender GravityZone Cloud and Server Security alternatives](https://cybersectools.com/alternatives/bitdefender-gravityzone-cloud-and-server-security) - [See all Nessus Professional alternatives](https://cybersectools.com/alternatives/nessus-professional) --- Source: https://cybersectools.com/compare/bitdefender-gravityzone-cloud-and-server-security-vs-nessus-professional For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/bitdefender-gravityzone-cloud-and-server-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Bitdefender GravityZone Cloud and Server Security and Nessus Professional: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md