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Cybersecurity Services

From penetration testing and red team engagements to CISO advisory and portfolio monitoring — expert security services built around your threat landscape.

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IT Penetration Testing

Simulate real-world attacks across networks, servers, apps, and cloud infrastructure. Get a clear, prioritized remediation roadmap.

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OT Penetration Testing

Test PLCs, SCADA, HMIs, and OT networks without disrupting production — mapped to IEC 62443, NIST SP 800-82, and NERC CIP.

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Industrial Cybersecurity

Continuous monitoring and threat detection for industrial control systems and critical infrastructure environments.

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CISO as a Service

Expert security leadership on demand — strategy, compliance, and board reporting without a full-time hire.

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PE Portfolio Monitoring

Continuous cyber risk visibility across every portfolio company. Spot vulnerabilities and prioritize fixes at scale.

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Due Diligence

Rapid, thorough cyber risk analysis ahead of acquisitions — know the risks before you invest.

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Web App Penetration Testing

In-depth testing of web applications, APIs, and authentication flows following OWASP methodology.

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Cloud Security

Assess and harden your AWS, Azure, or GCP environment — misconfigurations, IAM, and compliance gaps identified.

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Red Team Engagements

Full-scope adversary simulation across people, process, and technology to test your real-world detection and response.

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GRC Services

Governance, risk, and compliance frameworks — ISO 27001, SOC 2, NIS2, and more, tailored to your business.

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Advisory & Consulting

Tactical and strategic security advice when you need it most — incident response support, architecture review, and more.

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Insight

Stay ahead with the latest publications, research briefs, and expert perspectives on cybersecurity.

Web App Penetration Testing
WhitePaper

Web App Penetration Testing

Actionable, easy-to-understand reports for leadership and technical teams.

Driving Portfolio-wide Value with Cybersecurity
WhitePaper

Driving Portfolio-wide Value with Cybersecurity

Comprehensive guide to maximizing cybersecurity value across your portfolio companies.

Atumcell Publications

Atumcell Publications

Explore our latest whitepapers, case studies, and reports designed to strengthen security strategy.

Atumcell

Discover Your
Cyber Risk Level.

Find out in seconds if your domain can be spoofed. Free, no login required.

Fixed-scope pricing agreed before we start · Actionable insights · No commitment required

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