The [Rajaratnam] case has shed new light on the cat-and-mouse game that plays out daily on Wall Street and in the City of London. High-flying traders are using ever more sophisticated technology – pay-and-throw-away mobile phones, instant messages and social networking sites – to ferret out information, while “expert network” consultancies that offer access to corporate insiders are springing up to help them.
Authorities are also stepping up their game, using sophisticated data mining, dawn raids and – in the US – wiretaps and body microphones, techniques traditionally reserved for Mafia cases and violent crime.
‘Enforcement 40’ for 2020
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