Wall Street played its own version of war games on Thursday, testing its defences against simulated cyber-attacks bent on taking down US stock exchanges.

Wall Street played its own version of war games on Thursday, testing its defences against simulated cyber-attacks bent on taking down US stock exchanges.
Wall Street plans to hold a simulated cyber-attack against equity markets this month that experts hope will set an example of how industries should test their defences against assailants.
Digital currency Bitcoin has had an exciting few years since its introduction back in 2009, complete with security problems, online heists, a …
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