Security Testing & Technical Assurance

Find weaknesses before attackers do.

NexTrust provides independent technical assurance across applications, APIs, networks, cloud platforms, identities, configurations, people and physical controls.

 
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When this service is relevant

This service is designed for organisations that need clear, practical support in specific situations where risk, assurance, resilience or compliance expectations require action.

  • You are preparing to launch a new application, platform, API or digital service.
  • You need independent vulnerability assessment or penetration testing evidence.
  • You want to validate the security of cloud, network, Microsoft 365 or Active Directory environments.
  • Audit, client, regulator or procurement requirements require technical security assurance.
  • You are concerned about phishing, social engineering or physical security exposure.
  • You need retesting evidence after remediation.

The client challenge

Security weaknesses are easiest to fix before they become attack paths. Modern technology environments are interconnected, fast-moving and exposed through applications, APIs, cloud services, remote access, identity platforms and third parties. Technical assurance helps organisations understand not only what is vulnerable, but what is exploitable, what matters most and what needs to be remediated first.

What NexTrust helps you do

We focus on practical actions, decision-ready evidence and outcomes that can be used by leadership, risk owners, technical teams and governance stakeholders.

Identify exploitable vulnerabilities across applications, infrastructure, cloud and identity environments.

Validate real-world security exposure in a controlled and authorised manner.

Prioritise weaknesses based on exploitability, business impact and remediation urgency.

Provide practical remediation guidance that technical teams can act on.

Generate evidence for management, auditors, clients or regulators.

Confirm whether remediation actions have effectively reduced risk.

Service modules

Each engagement is tailored to the client environment. The modules below can be delivered individually or combined into a broader programme.

Internal and external VAPT, vulnerability assessment, network security testing and controlled exploitation within agreed rules of engagement.

Web application testing, API security testing, mobile application testing, USSD testing, application security review and source code review.

Cloud penetration testing, Microsoft 365 security review, AWS/Azure/GCP security assessment and platform configuration validation.

Active Directory review, firewall rule-base review, network hardening review and application hardening review.

Phishing simulation, social engineering assessment and physical security assessment were included in scope.

Risk-based remediation guidance, technical clarification sessions, closure tracking and retesting evidence.

Typical deliverables

Outputs are structured to support management action, evidence requirements, remediation and executive decision-making.

Vulnerability assessment report

Penetration testing report

Application or API security testing report

Cloud or Microsoft 365 security review report

Active Directory or firewall review report

Social engineering or phishing simulation results

Prioritised remediation register

Retesting and closure report

Client outcomes

The objective is not only to identify issues, but to help the organisation move from insight to action.

  • Reduced attack surface across critical systems.
  • Clear understanding of exploitable weaknesses and business exposure.
  • Prioritised remediation actions for technical teams.
  • Stronger technical control assurance before go-live or audit.
  • Improved confidence in applications, infrastructure, cloud and identity controls.
  • Evidence that remediation has been validated.
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Frameworks and references

Depending on the engagement, our work may be aligned to recognised standards, sector expectations, client policies and applicable regulatory or supervisory requirements.

OWASP ASVS and Testing Guide
OWASP API Security Top 10
CIS Controls
NIST Cybersecurity Framework 2.0
Cloud provider security baselines
Client security policies and testing rules of engagement

The NexTrust perspective

NexTrust does not treat technical testing as a checklist exercise. We focus on exposure, exploitability, business relevance and remediation clarity so that findings lead to measurable risk reduction.

How we engage

Each engagement follows NexTrust’s structured delivery model, tailored to the service context and client priorities.

01
Frame
02
Discover
03
Assess
04
Advise
05
Enable

Validate your technical controls before attackers validate them for you.

Start a conversation about your digital resilience priorities.