Independent security assessment

A regulated technology holding required independent external attack-surface assurance across its group — spanning consumer, enterprise and wholesale verticals — under essential-entity supervisory obligations and licence conditions for customer-facing digital services. Publicly reachable production systems spanned customer applications, commerce platforms, hosted infrastructure for internal services and directly exposed origin assets outside CDN-protected paths, with no recent independent validation of control effectiveness across the estate.

The assessment identified high-impact exposures on a limited set of surfaces: control-plane interfaces that should not have been internet-reachable; legacy remote-access protocols; exposed internal delivery and monitoring services; deficient email authentication and origin hardening.

Business impact centred on tenant-isolation breaches, cross-subsidiary lateral movement and e-commerce transaction integrity — threatening regulatory standing and customer trust across the group.

Independent assurance delivered — from group-wide attack-surface mapping to a prioritised remediation programme aligned with essential-entity obligations. Evidence-based findings ranked by severity, with immediate containment and perimeter controls where required.

Phased remediation programme mapped to ISMS controls and the client's GRC evidence model — each action with defined closure criteria and auditable evidence of completion for certification and supervisory review.

Regulatory assurance restored; cross-subsidiary and e-commerce exposure reduced — security posture demonstrable to supervisors, auditors and enterprise clients.