Cybersecurity
Build a security posture that defends against real threats — not one that merely satisfies auditors while leaving material risk unaddressed.
The threat landscape has shifted fundamentally. Perimeter security is no longer sufficient in a world where users work from anywhere, applications live in the cloud, and supply chains extend into dozens of third-party organisations. Astrexa's security practice helps enterprises move from reactive compliance to proactive resilience — building security into operations rather than bolting it on at audit time.
01
Zero Trust Architecture
We design and implement Zero Trust security models that verify every user, device, and access request regardless of network location. Our phased approach prioritises identity first, then device trust, then network micro-segmentation — delivering measurable security improvement at each stage without requiring a wholesale infrastructure replacement. Each phase is validated against real threat scenarios before the next begins.
02
Identity & Access Management
Credential compromise remains the entry point for the majority of enterprise breaches. We implement multi-factor authentication, privileged access management, conditional access policies, and identity governance frameworks that close these attack vectors systematically. Our IAM programmes are designed around least-privilege principles and include regular access reviews that catch privilege creep before it becomes a risk.
03
Penetration Testing & Red Team
Our certified practitioners conduct network, application, and social engineering assessments that find real vulnerabilities before attackers do. Unlike automated scanning, our assessments are led by experienced practitioners who understand how vulnerabilities chain together into actual attack paths. Reports are written for both technical and executive audiences, with prioritised remediation roadmaps and verified closure.
04
Vendor & Third-Party Risk
Third-party breaches now account for a significant proportion of enterprise security incidents. We build vendor risk programmes that go substantially beyond questionnaires — incorporating continuous attack surface monitoring, contractual security requirements, periodic assessment, and incident response planning for third-party failures. We also help organisations respond when a supplier is compromised.
05
Security Operations & Incident Response
We help organisations build or improve their security operations capabilities — from SIEM configuration and alert tuning through to incident response planning, tabletop exercises, and playbook development. When an incident does occur, response quality depends on preparation. We build the plans and practise them, so the first real activation is not also the first rehearsal.
Our approach
How we deliver
Assess
Baseline current security posture against real threats, not just compliance frameworks.
Architect
Design a prioritised security programme aligned to your risk profile and operating model.
Implement
Deliver security controls in prioritised sequence with validation at each stage.
Monitor
Operate continuous monitoring and maintain security posture against evolving threats.
Deliverables
What's included
Security Maturity Assessment
Baseline evaluation of current controls against recognised frameworks and real threat scenarios.
Zero Trust Design
Phased architecture for identity, device, and network trust with implementation roadmap.
IAM Implementation
MFA, PAM, conditional access, and identity governance deployed and validated.
Penetration Test Report
Findings from network, application, and social engineering assessments with remediation plan.
Vendor Risk Programme
Third-party assessment framework, monitoring capability, and contractual requirements.
Incident Response Plan
Documented playbooks and tabletop-validated response procedures for key incident scenarios.
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