The US government is investing heavily in cyber security after the recent attacks on Google pushed the issue of targeted internet security breaches up the agenda.Security experts say the attacks represent a new kind of security assault that can overcome the defences of even sophisticated companies such as Google.They are carried out by very "motivated" and organised people and are targeted at a specific organisation, according to James Chappell, head of enterprise security services at Detica, who spoke at the recent conference on Modernising Justice Through IT.

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