Cyber Due Diligence
Confidence before acquisition
Do you have a clear understanding of the cyber risks that could affect your investment?
Cyber Due Diligence provides investors with an independent assessment of a target organisation’s cyber security posture, helping identify hidden risks, understand potential financial and operational impact and support informed decision-making throughout the transaction process.
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What is Cyber Due Diligence
Cyber due diligence is a critical component of mergers and acquisitions (M&A), helping investors identify cyber security risks, assess potential liabilities and understand remediation requirements before completing a transaction.
Whether supporting a private equity acquisition, strategic acquisition, merger or portfolio investment, effective cyber due diligence provides visibility into security risks that may affect valuation, integration planning and future investment requirements.
Many cyber due diligence assessments rely heavily on management interviews, questionnaires and documentation reviews. While these provide useful context, they do not always validate whether controls are operating effectively or whether there is evidence of existing compromise.
Toro’s Cyber Due Diligence service combines structured assessment, technical validation, AI-assisted evidence analysis and commercial interpretation to provide investors with a clear view of cyber risk, remediation requirements and opportunities for operational improvement across a target company and its wider ecosystem.
By combining cyber security due diligence, cyber risk assessment and technical validation, we help investors make informed decisions throughout the transaction lifecycle.
Managed Security & Consultancy
What Cyber Due Diligence really needs to answer
At its core, cyber due diligence should answer three questions:
- What risks may not be visible today?
- What could those risks cost us?
- What actions should be prioritised post-acquisition?
What Cyber Due Diligence involves
Cyber due diligence, sometimes referred to as cyber security vendor due diligence or a cyber risk assessment for acquisitions, is an assessment of the target company’s cyber security posture across its people, processes, technology and third-party relationships.
This typically includes:
- security governance, policies and control effectiveness
- technical security controls and configuration
- detection, monitoring and incident response capability
- evidence of historic or ongoing compromise
- third-party and supply chain exposure
- data protection and regulatory obligations
- resilience of critical systems and operations
Why it matters in transactions
Cyber risk can materially affect the outcome of a transaction but is often under-assessed due to time constraints, limited visibility or insufficient technical validation.Effective cyber due diligence enables investors, private equity firms and corporate acquirers to:
Identify hidden risk before liability transfers
Including undisclosed breaches, ineffective controls, regulatory exposure or inherited technical debt.
Understand the true maturity of the target
By validating key controls and assessing evidence rather than relying solely on reported positions.
Assess deal and integration risk
Particularly where systems, data, infrastructure or operational processes may introduce vulnerabilities.
Understand financial exposure
Including potential remediation costs, operational disruption, contractual obligations and regulatory consequences.
Support valuation and negotiation
By providing evidence-based insight into cyber risk and future investment requirements.
Improve post-acquisition planning
By identifying and prioritising issues early, reducing surprises during integration and remediation.
Confidence before acquisition
Our approach
We align the depth of our cyber due diligence assessment to the transaction while ensuring sufficient technical validation to provide confidence. The result is a proportionate review that delivers meaningful insight without creating unnecessary delays.
Structured maturity assessment
We assess the organisation against recognised security frameworks to establish baseline maturity, identify control gaps and understand overall risk exposure. AI-supported analysis helps structure evidence against common control domains and highlight inconsistencies, gaps or areas requiring further validation.
Technical validation and threat analysis
We go beyond interviews and documentation reviews to understand how controls operate in practice, using AI-assisted review where appropriate to analyse available evidence, surface patterns and support more consistent technical challenge.
Depending on scope, access and deal timelines, this may include:
- review of monitoring, logging and detection capability
- analysis of available telemetry and security data
- assessment of vulnerability management practices
- targeted vulnerability assessment where appropriate
- review for indicators of compromise where sufficient evidence is available
This helps determine whether identified risks are purely theoretical or whether there is evidence they may already have been exploited.
Risk, cost and impact analysis
We translate technical findings into business impact by considering:
- likelihood of exploitation
- operational impact
- potential revenue disruption
- regulatory and legal exposure
- indicative remediation effort and cost
This allows cyber risk to be evaluated alongside financial and commercial considerations.
Third-party and ecosystem risk
Many organisations depend on suppliers, service providers and technology partners that introduce additional risk.
We assess critical third parties using a risk-based approach, prioritising those with access to sensitive information, key systems or business-critical services.
Deal-ready reporting
Our outputs are designed for investors, deal teams and operating partners.
Deliverables include:
- Risk-rated findings based on business impact, likelihood and remediation effort
- issues with potential impact on valuation or deal certainty
- prioritised remediation recommendations
- executive-level summaries for decision-makers
- AI-assisted synthesis of assessment evidence to improve clarity, consistency and prioritisation, with final conclusions reviewed by Toro consultants
These deliverables provide investors with a clear understanding of risk exposure, required investment and priorities for post-acquisition planning.
Where Toro is different
We focus on business impact
Technical findings are translated into operational, financial and regulatory implications, allowing stakeholders to make informed decisions during the transaction process.
We prioritise what matters
Many cyber due diligence reviews focus primarily on identifying risks. Our focus is helping investors understand which findings matter most and what should be done about them.
We validate key controls
Where access and timelines permit, we validate critical controls through technical evidence rather than relying solely on management responses. This provides greater confidence in the findings and reduces reliance on incomplete or overly optimistic self-disclosure.
We support execution after acquisition
Cyber due diligence should not end with the report.We help organisations prioritise remediation, improve cyber maturity and monitor progress across portfolio companies, ensuring identified risks are addressed effectively.
We are built for deal timelines
Assessments are proportionate to the transaction, focused on the highest-risk areas and designed to support investment decision-making without disrupting deal progress.
Managed Security & Consultancy
People focussed
At Toro, people are at the core of everything we do – our team, our clients, and the partners we collaborate with.
We prioritise building trusted relationships, delivering consistently high standards, and providing tailored support that reflects the unique needs of every client.
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Extending into AI and emerging technology risk
Many organisations are adopting artificial intelligence and automation technologies without fully understanding the associated risks.
Where relevant, we can extend assessments to consider:
- how AI technologies are being used
- associated security and data risks
- governance and oversight arrangements
- regulatory and compliance considerations
- opportunities and risks arising from AI adoption
This provides investors with a clearer view of emerging technology exposure while supporting informed decision-making.
From due diligence to delivery
Cyber due diligence should be the starting point rather than the end of the process.
Toro supports organisations to:
- deliver remediation programmes post-acquisition
- improve cyber maturity across portfolio companies
- optimise security controls, tooling and investment
- strengthen resilience and incident preparedness
- establish ongoing assurance and testing programmes
Cyber Due Diligence FAQs
Cyber risk is often one of the least visible risks within a transaction but can have significant financial, operational and regulatory consequences.
Without appropriate assessment, investors may inherit undisclosed breaches, ineffective controls, regulatory liabilities or substantial remediation requirements. Cyber due diligence provides visibility before liability transfers, enabling informed decisions during valuation, negotiation and integration planning.
The duration depends on the size and complexity of the target organisation, the level of access available and the depth of assessment required.
Reviews can range from focused assessments designed for accelerated transactions through to more detailed technical engagements where risk exposure warrants deeper analysis.
When structured appropriately, it should not.
Our approach is designed to be proportionate and focused on the areas of highest risk, ensuring decision-makers receive meaningful insight within deal timelines.
We assess technical findings in the context of business impact, considering:
- likelihood of exploitation
- operational disruption
- financial impact
- regulatory exposure
- remediation effort and investment requirements
This allows cyber risk to be evaluated alongside other commercial and financial considerations.
Yes. We apply a risk-based approach to suppliers, service providers and partners that have access to critical systems, sensitive information or important operational processes.
Given transaction timelines, reviews are prioritised based on business criticality and potential exposure rather than attempting to assess every third party.
Cyber due diligence should inform action.
Toro can support:
- remediation planning and delivery
- cyber maturity improvement programmes
- security tooling and control optimisation
- ongoing assurance, testing and governance
This helps ensure that identified risks are actively managed following acquisition.
Yes. Where relevant, we can assess the use of AI and related technologies, associated security and governance risks and the implications for compliance, resilience and operational effectiveness.
This helps investors understand both current exposure and future considerations linked to emerging technologies.
Cyber Due Diligence
Ready to take the first step?
If you are preparing for a transaction or looking to strengthen cyber oversight across your portfolio, speak to Toro.
Building a repeatable approach
For frequent acquirers, cyber due diligence should be part of a consistent investment framework rather than a standalone exercise.
Toro supports investors in establishing repeatable approaches that enable:
- faster assessment of future opportunities
- more consistent decision-making
- improved visibility across the portfolio
- stronger integration of cyber considerations into the deal lifecycle
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People focussed
At Toro, people are at the core of everything we do – our team, our clients, and the partners we collaborate with.
We prioritise building trusted relationships, delivering consistently high standards, and providing tailored support that reflects the unique needs of every client.
