The number of annual security incidents caused by insider threats is increasing. In The CERT Guide to Insider Threats, Capelli et al write, “Insider threats are an intriguing and complex problem. Some assert that they are the most significant threat faced by organizations today.” Disgruntled system administrators damage data and systems, skilled professionals steal intellectual property, and less skilled employees use information to achieve political or financial objectives. Any of these can constitute a critical national defence breach or breach of public trust.
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