Top Nessus Alternatives in 2025
Compare Nessus alternatives on detection accuracy, compliance coverage, and DevSecOps integrations. Assess deployment flexibility, reporting depth, and pricing models to find the right fit for your security and compliance needs.
Top Nessus alternatives compared
Still evaluating? Let us help you make the right call.
Let’s TalkWhy choose Astra
Astra puts your ahead by finding and fixing every single security loopholde
with our hacker-style pentest.
AI-Powered Intelligence
- Run 15,000+ tailored AI test scenarios to your unique app
- Contextual remediation advice at your fingertips
- Continuously improves detection accuracy through context-aware analysis and evolving ML models trained on real-world vulnerability patterns.
Compliance-First Approach
- Audit-ready reports aligned with ISO, PCI, SOC 2, HIPAA, GDPR, OWASP, NIST, and more.
- Expert support to simplify assessments and pass audits faster.
DevOps Integration
- Integrate into CI/CD with GitHub Actions, GitLab CI, Jenkins, Bitbucket, and more.
- Automate scans, send vulnerability alerts via Slack
- Create JIRA tickets, all without leaving your pipeline.
End-to-End, Fully Managed Platform
- Continuous, scheduled scans and pentests for web apps, API, and cloud without manual setup or tuning.
- Expert-tuned accuracy with optimized scanners to reduce false positives.
- Vulnerabilities triaged and mapped to real business impact.
- Auto-generated compliance-grade summaries with remediation guidance and automated rescans for verification.
Pentest Certificate & AI-built Trust Center
- Publicly verifiable certifications with shareable links.
- Demonstrate your security commitment.
- Build client and partner trust.
- Summarize your security posture for easy sharing with customers and auditors
Still struggling to choose the right alternative for Nessus?
Let’s Talk
"Astra identified several moderate and high severity issues that our team never thought existed. We are working in the Mental Health space and data privacy and security are extremely critical to us. That being said, I am thankful for to Astra."
Georgi Atanasov
“A key standout during our Astra Pentest was the solid support via Slack, making communication easy and efficient. The platform itself is user-friendly, and the Jira integration greatly streamlined issue resolution for our team, seamlessly fitting into our existing workflow”
Richard Ganpatsingh
"Astra's exceptional manual penetration testing and efficient automated tools have provided invaluable insights into our application's security, making them our trusted partner for comprehensive and reliable security measures"
Michal Pěkný
"We are impressed with Astra's dashboard and its amazing ‘automated and scheduled‘ scanning capabilities. Integrating these scans into our CI/CD pipeline was a breeze and saved us a lot of time. The rapid issue resolution and detailed vulnerability …"
Ankur Rawal
"The most impressive part is the certificate they give you. It shows that you actually pentest and don't just say that you do. Customers can be a tad more trusting in your security because it's not just lip service. The dashboard can be a little slow sometimes, but this "
Clinton Skakun
Find and fix vulnerabilities before attackers do:
start continuous, accurate scanning today.
Get StartedOur pentesters? World class, certified &
contributors to top security projects
vulnerabilities discovered
and counting
bad guys do
Trusted by leading security conscious
companies across the world.
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Experience zero false positives and seamless integrations with Astra Security PTaaS platform.
Book a demoFrequently asked questions
Nessus is a robust automated scanner, but it lacks manual penetration testing, remediation guidance, and false positive elimination capabilities. Users often switch to Astra Security for validated findings, compliance-ready reports, and 24/7 support, ensuring both automation and expert validation that the former does not provide.
Astra Security combines automated detection with manual penetration testing to uncover logic flaws and advanced attack chains, providing actionable, compliance-ready reports. Nessus provides broad automated coverage but often generates false positives, requiring teams to validate the results, which slows remediation efforts manually.
Yes. Astra Security delivers intuitive dashboards, faster onboarding, and direct collaboration with pentesters, providing AI-augmented and human support, as well as remediation assistance within 24 hours. Nessus offers documentation and community resources, but Astra ensures guided, expert-driven onboarding and ongoing support tailored to security and development teams.
Astra Security starts at $1,999 per year, offering unlimited scans and bundled penetration testing, making it an affordable option for SMBs and scalable for enterprises alike. Nessus costs $3,390–$4,990 annually and does not include manual validation.
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