Tax administration

Security and Authentication Issues in the Delivery of Electronic Services to Taxpayers


Revenue bodies are relying increasingly on electronic services to improve client services while at the same time reducing costs. However, both revenue bodies and clients have experienced rapid growth in the frequency and sophistication of attacks against these services. Revenue bodies must therefore be vigilant to the risks associated with identity theft, and the financial loss and reputational damage caused by attacks on their electronic service channels, and also to the risks to compliance arising from those who seek to exploit weaknesses in these systems.  At the same time, a careful balance must be struck to ensure that the safeguards put in place do not themselves become a barrier to the take-up of services by their clients.


This report provides a comprehensive picture of the major data security and identity authentication issues faced by member countries in delivering electronic services, and the solutions implemented and being planned.


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