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Implementing ISO/IEC 27001 for an Internet Service Provider

ART took an internet service provider from inconsistent security practices to a fully operational, ISO-aligned information security management system, with hands-on support through certification.

TelecommunicationsAI Led Cybersecurity
OperationalISMS with clear governance

The opportunity

An internet service provider had no formal information security management system (ISMS) aligned to ISO/IEC 27001. Its security policies were inconsistent, risk management was limited, and there were gaps in incident handling and access control.

Audit timelines were tight, and the provider needed a practical approach that fitted how the business actually ran, not an exercise in producing documents.

The transformation

ART delivered the implementation end to end, from gap analysis to the certification audit, and built security ownership into the business along the way.

  1. 01

    Gap Analysis and ISMS Scope

    ART ran a structured gap analysis against ISO/IEC 27001 and worked with the leadership team to define the scope of the ISMS.

  2. 02

    Risk Assessment

    ART carried out a comprehensive information security risk assessment, which set the priorities for the controls that followed.

  3. 03

    Policies, Controls and Awareness

    ART wrote ISO-aligned policies and controls, gave each a clear owner, and ran awareness programmes so staff understood their part in them.

  4. 04

    Internal Audits and Certification Support

    ART ran internal audits to test readiness, then supported the provider hands-on through the certification audit.

Impact

OperationalISMS with clear governance
Reducedinformation security risk through ISO-aligned controls
Strongercustomer and partner trust through demonstrable assurance
Audit-readycompliance model for future certifications

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