CYBER SECURITY—1: Effective defense requires thorough risk assessment

Protecting a pipeline system from cyber attack requires placing independent barriers and protections (technical countermeasures) around its supervisory control and data acquisition system in an effort to keep communication paths secure.The first part of this series, presented here, describes a risk assessment for cyber attack before detailing a number of potential attack avenues requiring attention as part of a vulnerability assessment. Part 2 (next week) will detail application of a particular approach to vulnerability assessment.1BackgroundPipelines and associated facilities have come to the attention of terrorist and extremist organizations outside of the US (including some in the UK a...

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