Top Penetration Testing Services in Nantes
Penetration testing Nantes providers delivering multi-scope engagements across web, mobile, cloud, API, network, and infra, mapped to CVSS v4.0, OWASP Top 10, and CWE/SANS Top 25 with compliance-ready reports and seamless CI-CD and workflow integrations.
Best penetration testing companies in Nantes
Astra Security
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Astra Security is a CREST-approved and PCI ASV-certified penetration testing company dedicated to securing websites and businesses online. Our comprehensive VAPT services cover a broad spectrum of digital assets, including websites, applications, cloud infrastructure, network devices, and emerging technologies like blockchain.
Acylia
Acylia, a cybersecurity firm based in Nantes, offers penetration testing and code audit services to help businesses identify and address vulnerabilities in their internal applications and networks, whether on-site or in the cloud.
Digitemis
Digitemis specializes in penetration testing services in Nantes, providing services such as external and internal pentests, red team assessments, and code audits, enabling organizations to strengthen their security posture and protect critical assets.
Cybercare
Cybercare is a leading penetration testing company in Nantes that offers holistic cybersecurity solutions, including intrusion testing, phishing simulations, and compliance audits. Its primary aim is to safeguard sensitive business data and enhance overall security measures.
NBS System
NBS System is pentesting firm in nantes responsible for delivering cybersecurity solutions such as application, network, mobile, and physical penetration testing, alongside red team operations and social engineering assessments. Their services help businesses uncover vulnerabilities, strengthen defenses, and proactively mitigate security risks before they can be exploited.
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Achieve GDPR & ISO 27001 compliance with audit-ready penetration testing for your Nantes business.
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The clear winner
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
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Join forward-thinking Nantes businesses who trust Astra for comprehensive penetration testing services.
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Loved by 1000+ CTOs & CISOs worldwide
We are impressed by Astra's commitment to continuous rather than sporadic testing.
Astra not only uncovers vulnerabilities proactively but has helped us move from DevOps to DevSecOps
Their website was user-friendly & their continuous vulnerability scans were a pivotal factor in our choice to partner with them.
The combination of pentesting for SOC 2 & automated scanning that integrates into our CI pipelines is a game-changer.
I like the autonomy of running and re-running tests after fixes. Astra ensures we never deploy vulnerabilities to production.
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.
We are impressed by Astra's commitment to continuous rather than sporadic testing.
Astra not only uncovers vulnerabilities proactively but has helped us move from DevOps to DevSecOps
Their website was user-friendly & their continuous vulnerability scans were a pivotal factor in our choice to partner with them.
The combination of pentesting for SOC 2 & automated scanning that integrates into our CI pipelines is a game-changer.
I like the autonomy of running and re-running tests after fixes. Astra ensures we never deploy vulnerabilities to production.
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.
Frequently asked questions
Penetration testing in Nantes typically costs between €5,000-€35,000, depending on scope and complexity. Small businesses might pay around €5,000, while enterprise-level assessments can exceed €50,000. This investment pays off by preventing costly data breaches.
Look for certified professionals with OSCP, CEH, or CISSP credentials and proven local experience. Check their methodology, compliance expertise, and client testimonials. Ensure they provide detailed CXO-friendly reports with actionable remediation steps, not just vulnerability lists.
Penetration testing identifies security gaps before criminals exploit them, protecting sensitive data and business reputation. With cyber threats increasing 40% annually, proactive testing prevents costly breaches. It’s essential for maintaining customer trust and a competitive advantage.
Security experts recommend conducting penetration testing at least once annually or after significant system changes. High-risk industries should test quarterly. Regular testing ensures that new vulnerabilities are identified as your infrastructure evolves and the threat landscape shifts.
While GDPR doesn’t explicitly mandate penetration testing, it requires “appropriate technical measures” to protect personal data. Article 32 emphasizes regular security testing to demonstrate compliance. French data protection authorities increasingly expect proactive security assessments.
Penetration testing demonstrates GDPR Article 32 compliance by validating security controls protecting personal data. It provides documented evidence of due diligence for audits. Testing helps avoid hefty fines up to 4% of global revenue.
Yes, most penetration testing can be conducted remotely through secure connections and cloud-based assessments. Remote testing is cost-effective and minimally disruptive to operations. However, physical security assessments still require on-site presence for comprehensive coverage.
