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Cybersecurity Assessments

CIS Cybersecurity Assessments provide a structured, risk-based approach to understanding your current exposure, validating your security posture, and defining the actions required to reach your target state. Whether assessing your organisation, your vendors, or an acquisition target, we deliver clarity that supports confident decision-making.

Assessment Services Include:

  • Cybersecurity Assessments / Diagnostics
  • Third Party Vendor Due Diligence
  • Merger and Acquisition Due Diligence

Most organisations lack a clear, defensible understanding of their cyber risk.

CIS delivers structured cybersecurity assessments that define your current exposure, establish your target maturity, and identify the precise actions required to close the gap. This is not a checklist exercise — it is a risk-aligned assessment of your actual environment, controls, and behaviours.

The engagement begins by scoping your organisation, systems, and critical assets, ensuring the assessment is aligned to how your business actually operates. We then establish your target risk position and maturity level, mapped to recognised benchmarks such as NIST, ISO, or Essential Eight.

We execute a structured assessment across your environment, combining technical scanning, control validation, and stakeholder engagement. This provides a validated view of your current posture — including vulnerabilities, control gaps, and exposure across your network and systems.

Findings are consolidated into clear, prioritised recommendations, enabling leadership to make informed decisions and take targeted action.

What's Included

  • Organisational scoping and assessment planning
  • Cyber risk profiling and target state definition
  • Internal and external technical scanning
  • Security control and policy assessment
  • Stakeholder interviews and validation
  • Consolidated reporting and prioritised remediation roadmap

Outcomes

  • Defined cyber risk and maturity targets
  • Clear understanding of current risks and exposures
  • Identification of control gaps and vulnerabilities
  • Actionable, prioritised uplift plan
  • Improved resilience and risk posture

Third-party risk is one of the least controlled and least understood areas of cybersecurity.

CIS provides structured vendor cyber due diligence to ensure that suppliers, partners, and service providers do not introduce unmanaged risk into your environment. We assess vendors against your organisation’s risk appetite, not generic industry assumptions.

We begin by defining the vendor’s role, data access, and integration points within your environment. From there, we establish risk evaluation criteria aligned to your organisation’s thresholds and procurement requirements.

The assessment includes review of vendor-provided documentation, publicly available intelligence, structured questionnaires, and targeted interviews where required. This creates a comprehensive, evidence-based view of vendor security posture.

We consolidate findings into clear, risk-based outputs, enabling confident go / no-go decisions and ongoing vendor management.

What's Included

  • Vendor role and risk scoping
  • Risk criteria aligned to organisational appetite
  • Documentation and public intelligence review
  • Security questionnaire and assessment
  • Vendor interviews (as required)
  • Consolidated findings and recommendations

Outcomes

  • Clear understanding of vendor cyber risk
  • Confident procurement and onboarding decisions
  • Independent validation of vendor security posture
  • Identification of vulnerabilities and gaps
  • Reduced third-party risk exposure
  • Strengthened vendor risk governance

Cyber risk is often one of the least visible — and most impactful — risks in mergers and acquisitions.

CIS delivers structured cyber due diligence to identify material risks early, support acquisition decisions, and establish a clear plan for post-deal uplift. The approach is designed to operate at pace, without compromising depth or relevance.

We begin with rapid scoping and familiarisation of the target environment, aligning to deal timelines and commercial considerations. A focused due diligence assessment is then conducted to identify key cyber risks, vulnerabilities, and control weaknesses that may impact valuation or integration.

Where the acquisition proceeds, we extend the engagement into a detailed cybersecurity assessment and uplift planning phase. This defines the actions required to bring the organisation to an acceptable minimum standard and align with your broader cyber strategy.

Post-acquisition, we support the implementation of uplift activities, ensuring risks are addressed and security posture is stabilised.

What's Included

  • Pre-acquisition cyber due diligence
  • Stakeholder interviews and targeted technical review
  • Identification of key risks and issues
  • Diagnostic assessment and uplift planning
  • 100-day remediation roadmap
  • Ongoing uplift oversight and re-assessment

Outcomes

  • Key cyber risks impacting acquisition identified
  • Clear due diligence reporting for decision-making
  • Defined 100-day uplift plan
  • Improved post-acquisition security posture
  • Alignment to long-term cyber strategy

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