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For many years, businesses have been aware, and taken what they believe to be the necessary steps, to securing and protecting their networks against the threat of unauthorised access and malicious attacks on IT resources. Most of the measures taken have been focused on the Internet threat, and have included firewalls, intrusion detection systems, and email checking in the form of anti-virus and content vetting solutions. Here Greg Leyland, Consultant at Xantus Consulting comments on the changes taking place in the marketplace:

We are now seeing an increased awareness and interest in the threat posed by the internal user community. This threat can often be a result of either user negligence or ignorance (though arguably, ignorance is no longer a valid excuse), rather than deliberate abuse – for example, employees or third-parties connecting virus-infected laptops to the network is quite an obvious threat. However, deliberate attempts to access restricted files or...

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