Tenable makes security tools that scan networks and systems for known vulnerabilities and rank them by risk. It suits a woman working in security or running IT at a company, starting with a genuinely free tool. Paid plans are priced for businesses with a real security budget, not solo founders.
Key features
- Vulnerability scanning: networks and systems.
- Free Nessus Essentials: basic scanning for up to 16 IPs.
- Prioritized findings: fix the highest risks first.
- Vulnerability Management platform: for larger environments.
Pricing
| Plan | Price | Includes |
|---|---|---|
| Nessus Essentials | $0 | Up to 16 IPs |
| Nessus Professional | about $366/month per license | Professional scanning |
| Nessus Expert | about $533/month per license | Advanced features |
Tenable Vulnerability Management is priced per asset, around $292 a month with a minimum of about 65 assets, and enterprise products are custom-quoted. Confirm directly with Tenable.
Prices change over time. Details above are based on Tenable’s own pricing page.
Pros and cons
| Pros | Cons |
|---|---|
| Free tier offers real scanning | Paid tiers suit real security budgets |
| Prioritized findings help small teams | Varied pricing makes comparison confusing |
Who it’s best for
Women in cybersecurity and IT, and companies with infrastructure that needs regular scanning.
Skip it if your business runs on ready-made cloud tools with no servers of its own. Two-factor authentication and backups matter more for you.
How to get started
Start with free Nessus Essentials on a few devices and fix the top findings before considering a paid plan.
FAQ
Is there a free version? Yes, Nessus Essentials for up to 16 IPs.
Does it suit a small business? The free version does if you run servers. Paid plans usually do not.
Disclosure: bahiyat may earn a commission if you sign up for Tenable through the links in this article. This does not change what you pay, and it does not influence which tools we choose to cover.




