Expert Security Advice When You Need It Most.

Project-based cybersecurity advisory for organizations navigating complex decisions — security program reviews, M&A cyber risk, board briefings, and independent second opinions.

Advisory & Consulting

Specialist guidance on the security decisions that matter most.

Security Program Reviews Icon

Security Program Reviews

An independent audit of your security posture — policies, controls, and technical hygiene — with a prioritised improvement roadmap.

Delivered in 2–4 weeks, board-ready output.

Board & Investor Briefings Icon

Board & Investor Briefings

Executive-level presentations that translate cyber risk into business impact — liability, revenue exposure, and remediation cost.

Credible, jargon-free, decision-ready.

M&A Cyber Due Diligence Icon

M&A Cyber Due Diligence

Pre-close cyber risk assessment to identify hidden liabilities, compliance gaps, and post-acquisition remediation costs.

Used by PE firms and corporate acquirers.

Why Choose Our Service

Experience the difference with our comprehensive approach.

Expert-Led Approach

Our team consists of certified cybersecurity professionals with years of hands-on experience.

Comprehensive Coverage

We provide end-to-end security testing across all your digital infrastructure.

Actionable Results

Get clear, prioritized recommendations that your team can implement immediately.

Ongoing Support

We don't just test and leave - we provide continuous guidance and support.

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.

Frequently Asked Questions

CISO as a Service is an ongoing retainer providing executive-level security leadership month to month. Advisory & Consulting is project-based — you bring us in for a defined scope and duration: a security program review, an independent assessment ahead of a board presentation, or a second opinion on a vendor proposal. No retainer required.

We evaluate your current security posture across people, process, and technology: policies, controls, third-party risk, incident response readiness, and technical hygiene. We identify gaps relative to your target maturity and produce a prioritised roadmap with effort, cost, and risk-reduction estimates. Typical duration is 2–4 weeks.

Yes. We regularly present to boards, audit committees, and investor groups. We translate technical findings into business risk language — revenue impact, liability exposure, regulatory consequence — and provide recommendations the board can act on.

Yes. We work alongside legal and financial diligence teams to assess target company cyber posture before close. We identify hidden liabilities (prior breaches, weak controls, compliance gaps) and quantify remediation costs so the deal team can adjust valuation or negotiate representations and warranties insurance.

Our advisory work spans private equity, manufacturing, energy, healthcare, financial services, and B2B software. We adapt our recommendations to the regulatory environment, threat landscape, and operational constraints specific to your sector.

Atumcell

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