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2. Passwords revealed by sweet deal;BBC;BBC News online,2004
3. Point and click Gmail hacking at Black Hat;Cheung;TG Daily,2007
4. Information security breaches survey 2006;DTI,2006
5. Ernst & Young. Global information security survey 2006 – achieving success in a globalized world. Is your way secure? 2006 [EYG No. AU0022].