Security Investigate

Insider threats: Defending against costly breaches

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Executive Summary

A worker leaves an unsecured laptop on a train. A nurse provides patient details to her partner, who works at an accident management company. Before handing in his notice, a system administrator misuses his privileged access to take company data. Insider threats like these can hurt businesses just as much as an external malicious hacker. Hacks, attacks, and insider data mistakes cost the UK between GBP5bn and GBP10bn in 2011, according to PricewaterhouseCoopers.

This ZDNet guide looks at how businesses can - and should - prevent insider threats, especially as new technologies, such as IPv6 deployment, present new security challenges. It also explores the examples from the Information Commissioner's Office, and the US government's approach to deterring data theft, via penalties and monitoring bring-your-own-device policies.

You can read this free guide on any screen, from tablet to e-reader, desktop to mobile device -- or even print it out.

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