Irish Examiner view: Profit motive is ever present

Nick Leeson is known as the 'rogue trader' who brought down the Barings Bank in 1995. Picture: Niall Carson/PA Wire

In the cut-throat world of international finance, just as in cyber security, there is clearly some attachment to the merits of working with a poacher turned gamekeeper. 

Thus it is that corporate network managers and virus protection companies have been known to hire hackers to test and attempt to defeat the resilience of their systems.